2020221840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{397}}^1$

素因数の和:666

約数の個数: 320

約数和(自身を含む): 7760503296

約数和(自身を除く): 5740281456

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 233, 240, 260, 273, 280, 312, 336, 364, 390, 397, 420, 455, 466, 520, 546, 560, 624, 699, 728, 780, 794, 840, 910, 932, 1040, 1092, 1165, 1191, 1365, 1398, 1456, 1560, 1588, 1631, 1680, 1820, 1864, 1985, 2184, 2330, 2382, 2730, 2779, 2796, 3029, 3120, 3176, 3262, 3495, 3640, 3728, 3970, 4368, 4660, 4764, 4893, 5161, 5460, 5558, 5592, 5955, 6058, 6352, 6524, 6990, 7280, 7940, 8155, 8337, 9087, 9320, 9528, 9786, 10322, 10920, 11116, 11184, 11910, 12116, 13048, 13895, 13980, 15145, 15483, 15880, 16310, 16674, 18174, 18640, 19056, 19572, 20644, 21203, 21840, 22232, 23820, 24232, 24465, 25805, 26096, 27790, 27960, 30290, 30966, 31760, 32620, 33348, 36127, 36348, 39144, 41288, 41685, 42406, 44464, 45435, 47640, 48464, 48930, 51610, 55580, 55920, 60580, 61932, 63609, 65240, 66696, 72254, 72696, 77415, 78288, 82576, 83370, 84812, 90870, 92501, 95280, 97860, 103220, 106015, 108381, 111160, 121160, 123864, 127218, 130480, 133392, 144508, 145392, 154830, 166740, 169624, 180635, 181740, 185002, 195720, 206440, 212030, 216762, 222320, 242320, 247728, 254436, 277503, 289016, 309660, 318045, 333480, 339248, 361270, 363480, 370004, 391440, 412880, 424060, 433524, 462505, 508872, 541905, 555006, 578032, 619320, 636090, 647507, 666960, 722540, 726960, 740008, 848120, 867048, 925010, 1017744, 1083810, 1110012, 1202513, 1238640, 1272180, 1295014, 1387515, 1445080, 1480016, 1696240, 1734096, 1850020, 1942521, 2167620, 2220024, 2405026, 2544360, 2590028, 2775030, 2890160, 3237535, 3607539, 3700040, 3885042, 4335240, 4440048, 4810052, 5088720, 5180056, 5550060, 6012565, 6475070, 7215078, 7400080, 7770084, 8417591, 8670480, 9620104, 9712605, 10360112, 11100120, 12025130, 12950140, 14430156, 15540168, 16835182, 18037695, 19240208, 19425210, 22200240, 24050260, 25252773, 25900280, 28860312, 31080336, 33670364, 36075390, 38850420, 42087955, 48100520, 50505546, 51800560, 57720624, 67340728, 72150780, 77700840, 84175910, 96201040, 101011092, 126263865, 134681456, 144301560, 155401680, 168351820, 202022184, 252527730, 288603120, 336703640, 404044368, 505055460, 673407280, 1010110920, 2020221840]

約数ペア:

[(1, 2020221840), (2, 1010110920), (3, 673407280), (4, 505055460), (5, 404044368), (6, 336703640), (7, 288603120), (8, 252527730), (10, 202022184), (12, 168351820), (13, 155401680), (14, 144301560), (15, 134681456), (16, 126263865), (20, 101011092), (21, 96201040), (24, 84175910), (26, 77700840), (28, 72150780), (30, 67340728), (35, 57720624), (39, 51800560), (40, 50505546), (42, 48100520), (48, 42087955), (52, 38850420), (56, 36075390), (60, 33670364), (65, 31080336), (70, 28860312), (78, 25900280), (80, 25252773), (84, 24050260), (91, 22200240), (104, 19425210), (105, 19240208), (112, 18037695), (120, 16835182), (130, 15540168), (140, 14430156), (156, 12950140), (168, 12025130), (182, 11100120), (195, 10360112), (208, 9712605), (210, 9620104), (233, 8670480), (240, 8417591), (260, 7770084), (273, 7400080), (280, 7215078), (312, 6475070), (336, 6012565), (364, 5550060), (390, 5180056), (397, 5088720), (420, 4810052), (455, 4440048), (466, 4335240), (520, 3885042), (546, 3700040), (560, 3607539), (624, 3237535), (699, 2890160), (728, 2775030), (780, 2590028), (794, 2544360), (840, 2405026), (910, 2220024), (932, 2167620), (1040, 1942521), (1092, 1850020), (1165, 1734096), (1191, 1696240), (1365, 1480016), (1398, 1445080), (1456, 1387515), (1560, 1295014), (1588, 1272180), (1631, 1238640), (1680, 1202513), (1820, 1110012), (1864, 1083810), (1985, 1017744), (2184, 925010), (2330, 867048), (2382, 848120), (2730, 740008), (2779, 726960), (2796, 722540), (3029, 666960), (3120, 647507), (3176, 636090), (3262, 619320), (3495, 578032), (3640, 555006), (3728, 541905), (3970, 508872), (4368, 462505), (4660, 433524), (4764, 424060), (4893, 412880), (5161, 391440), (5460, 370004), (5558, 363480), (5592, 361270), (5955, 339248), (6058, 333480), (6352, 318045), (6524, 309660), (6990, 289016), (7280, 277503), (7940, 254436), (8155, 247728), (8337, 242320), (9087, 222320), (9320, 216762), (9528, 212030), (9786, 206440), (10322, 195720), (10920, 185002), (11116, 181740), (11184, 180635), (11910, 169624), (12116, 166740), (13048, 154830), (13895, 145392), (13980, 144508), (15145, 133392), (15483, 130480), (15880, 127218), (16310, 123864), (16674, 121160), (18174, 111160), (18640, 108381), (19056, 106015), (19572, 103220), (20644, 97860), (21203, 95280), (21840, 92501), (22232, 90870), (23820, 84812), (24232, 83370), (24465, 82576), (25805, 78288), (26096, 77415), (27790, 72696), (27960, 72254), (30290, 66696), (30966, 65240), (31760, 63609), (32620, 61932), (33348, 60580), (36127, 55920), (36348, 55580), (39144, 51610), (41288, 48930), (41685, 48464), (42406, 47640), (44464, 45435)]