1990519920

素因数分解:

$2^4\times 3^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:432

約数の個数: 320

約数和(自身を含む): 7184302080

約数和(自身を除く): 5193782160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 108, 120, 124, 135, 144, 155, 162, 180, 186, 216, 240, 243, 248, 270, 279, 310, 324, 360, 367, 372, 405, 432, 465, 486, 496, 540, 558, 620, 648, 720, 729, 734, 744, 810, 837, 930, 972, 1080, 1101, 1116, 1215, 1240, 1296, 1395, 1458, 1468, 1488, 1620, 1674, 1835, 1860, 1944, 2160, 2187, 2202, 2232, 2430, 2480, 2511, 2790, 2916, 2936, 3240, 3303, 3348, 3645, 3670, 3720, 3888, 4185, 4374, 4404, 4464, 4860, 5022, 5505, 5580, 5832, 5872, 6480, 6606, 6696, 7290, 7340, 7440, 7533, 8370, 8748, 8808, 9720, 9909, 10044, 10935, 11010, 11160, 11377, 11664, 12555, 13212, 13392, 14580, 14680, 15066, 16515, 16740, 17496, 17616, 19440, 19818, 20088, 21870, 22020, 22320, 22599, 22754, 25110, 26424, 29160, 29360, 29727, 30132, 33030, 33480, 34131, 34992, 37665, 39636, 40176, 43740, 44040, 45198, 45508, 49545, 50220, 52848, 56885, 58320, 59454, 60264, 66060, 66960, 67797, 68262, 75330, 79272, 87480, 88080, 89181, 90396, 91016, 99090, 100440, 102393, 112995, 113770, 118908, 120528, 132120, 135594, 136524, 148635, 150660, 158544, 170655, 174960, 178362, 180792, 182032, 198180, 200880, 204786, 225990, 227540, 237816, 264240, 267543, 271188, 273048, 297270, 301320, 307179, 338985, 341310, 356724, 361584, 396360, 409572, 445905, 451980, 455080, 475632, 511965, 535086, 542376, 546096, 594540, 602640, 614358, 677970, 682620, 713448, 792720, 802629, 819144, 891810, 903960, 910160, 921537, 1023930, 1070172, 1084752, 1189080, 1228716, 1337715, 1355940, 1365240, 1426896, 1535895, 1605258, 1638288, 1783620, 1807920, 1843074, 2047860, 2140344, 2378160, 2457432, 2675430, 2711880, 2730480, 2764611, 3071790, 3210516, 3567240, 3686148, 4013145, 4095720, 4280688, 4607685, 4914864, 5350860, 5423760, 5529222, 6143580, 6421032, 7134480, 7372296, 8026290, 8191440, 8293833, 9215370, 10701720, 11058444, 12287160, 12842064, 13823055, 14744592, 16052580, 16587666, 18430740, 21403440, 22116888, 24574320, 24881499, 27646110, 32105160, 33175332, 36861480, 41469165, 44233776, 49762998, 55292220, 64210320, 66350664, 73722960, 82938330, 99525996, 110584440, 124407495, 132701328, 165876660, 199051992, 221168880, 248814990, 331753320, 398103984, 497629980, 663506640, 995259960, 1990519920]

約数ペア:

[(1, 1990519920), (2, 995259960), (3, 663506640), (4, 497629980), (5, 398103984), (6, 331753320), (8, 248814990), (9, 221168880), (10, 199051992), (12, 165876660), (15, 132701328), (16, 124407495), (18, 110584440), (20, 99525996), (24, 82938330), (27, 73722960), (30, 66350664), (31, 64210320), (36, 55292220), (40, 49762998), (45, 44233776), (48, 41469165), (54, 36861480), (60, 33175332), (62, 32105160), (72, 27646110), (80, 24881499), (81, 24574320), (90, 22116888), (93, 21403440), (108, 18430740), (120, 16587666), (124, 16052580), (135, 14744592), (144, 13823055), (155, 12842064), (162, 12287160), (180, 11058444), (186, 10701720), (216, 9215370), (240, 8293833), (243, 8191440), (248, 8026290), (270, 7372296), (279, 7134480), (310, 6421032), (324, 6143580), (360, 5529222), (367, 5423760), (372, 5350860), (405, 4914864), (432, 4607685), (465, 4280688), (486, 4095720), (496, 4013145), (540, 3686148), (558, 3567240), (620, 3210516), (648, 3071790), (720, 2764611), (729, 2730480), (734, 2711880), (744, 2675430), (810, 2457432), (837, 2378160), (930, 2140344), (972, 2047860), (1080, 1843074), (1101, 1807920), (1116, 1783620), (1215, 1638288), (1240, 1605258), (1296, 1535895), (1395, 1426896), (1458, 1365240), (1468, 1355940), (1488, 1337715), (1620, 1228716), (1674, 1189080), (1835, 1084752), (1860, 1070172), (1944, 1023930), (2160, 921537), (2187, 910160), (2202, 903960), (2232, 891810), (2430, 819144), (2480, 802629), (2511, 792720), (2790, 713448), (2916, 682620), (2936, 677970), (3240, 614358), (3303, 602640), (3348, 594540), (3645, 546096), (3670, 542376), (3720, 535086), (3888, 511965), (4185, 475632), (4374, 455080), (4404, 451980), (4464, 445905), (4860, 409572), (5022, 396360), (5505, 361584), (5580, 356724), (5832, 341310), (5872, 338985), (6480, 307179), (6606, 301320), (6696, 297270), (7290, 273048), (7340, 271188), (7440, 267543), (7533, 264240), (8370, 237816), (8748, 227540), (8808, 225990), (9720, 204786), (9909, 200880), (10044, 198180), (10935, 182032), (11010, 180792), (11160, 178362), (11377, 174960), (11664, 170655), (12555, 158544), (13212, 150660), (13392, 148635), (14580, 136524), (14680, 135594), (15066, 132120), (16515, 120528), (16740, 118908), (17496, 113770), (17616, 112995), (19440, 102393), (19818, 100440), (20088, 99090), (21870, 91016), (22020, 90396), (22320, 89181), (22599, 88080), (22754, 87480), (25110, 79272), (26424, 75330), (29160, 68262), (29360, 67797), (29727, 66960), (30132, 66060), (33030, 60264), (33480, 59454), (34131, 58320), (34992, 56885), (37665, 52848), (39636, 50220), (40176, 49545), (43740, 45508), (44040, 45198)]