647213040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:428

約数の個数: 240

約数和(自身を含む): 2272997376

約数和(自身を除く): 1625784336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 107, 120, 124, 144, 155, 180, 186, 214, 240, 248, 271, 279, 310, 321, 360, 372, 428, 465, 496, 535, 542, 558, 620, 642, 720, 744, 813, 856, 930, 963, 1070, 1084, 1116, 1240, 1284, 1355, 1395, 1488, 1605, 1626, 1712, 1860, 1926, 2140, 2168, 2232, 2439, 2480, 2568, 2710, 2790, 3210, 3252, 3317, 3720, 3852, 4065, 4280, 4336, 4464, 4815, 4878, 5136, 5420, 5580, 6420, 6504, 6634, 7440, 7704, 8130, 8401, 8560, 9630, 9756, 9951, 10840, 11160, 12195, 12840, 13008, 13268, 15408, 16260, 16585, 16802, 19260, 19512, 19902, 21680, 22320, 24390, 25203, 25680, 26536, 28997, 29853, 32520, 33170, 33604, 38520, 39024, 39804, 42005, 48780, 49755, 50406, 53072, 57994, 59706, 65040, 66340, 67208, 75609, 77040, 79608, 84010, 86991, 97560, 99510, 100812, 115988, 119412, 126015, 132680, 134416, 144985, 149265, 151218, 159216, 168020, 173982, 195120, 199020, 201624, 231976, 238824, 252030, 260973, 265360, 289970, 298530, 302436, 336040, 347964, 378045, 398040, 403248, 434955, 463952, 477648, 504060, 521946, 579940, 597060, 604872, 672080, 695928, 756090, 796080, 869910, 898907, 1008120, 1043892, 1159880, 1194120, 1209744, 1304865, 1391856, 1512180, 1739820, 1797814, 2016240, 2087784, 2319760, 2388240, 2609730, 2696721, 3024360, 3479640, 3595628, 4175568, 4494535, 5219460, 5393442, 6048720, 6959280, 7191256, 8090163, 8989070, 10438920, 10786884, 13483605, 14382512, 16180326, 17978140, 20877840, 21573768, 26967210, 32360652, 35956280, 40450815, 43147536, 53934420, 64721304, 71912560, 80901630, 107868840, 129442608, 161803260, 215737680, 323606520, 647213040]

約数ペア:

[(1, 647213040), (2, 323606520), (3, 215737680), (4, 161803260), (5, 129442608), (6, 107868840), (8, 80901630), (9, 71912560), (10, 64721304), (12, 53934420), (15, 43147536), (16, 40450815), (18, 35956280), (20, 32360652), (24, 26967210), (30, 21573768), (31, 20877840), (36, 17978140), (40, 16180326), (45, 14382512), (48, 13483605), (60, 10786884), (62, 10438920), (72, 8989070), (80, 8090163), (90, 7191256), (93, 6959280), (107, 6048720), (120, 5393442), (124, 5219460), (144, 4494535), (155, 4175568), (180, 3595628), (186, 3479640), (214, 3024360), (240, 2696721), (248, 2609730), (271, 2388240), (279, 2319760), (310, 2087784), (321, 2016240), (360, 1797814), (372, 1739820), (428, 1512180), (465, 1391856), (496, 1304865), (535, 1209744), (542, 1194120), (558, 1159880), (620, 1043892), (642, 1008120), (720, 898907), (744, 869910), (813, 796080), (856, 756090), (930, 695928), (963, 672080), (1070, 604872), (1084, 597060), (1116, 579940), (1240, 521946), (1284, 504060), (1355, 477648), (1395, 463952), (1488, 434955), (1605, 403248), (1626, 398040), (1712, 378045), (1860, 347964), (1926, 336040), (2140, 302436), (2168, 298530), (2232, 289970), (2439, 265360), (2480, 260973), (2568, 252030), (2710, 238824), (2790, 231976), (3210, 201624), (3252, 199020), (3317, 195120), (3720, 173982), (3852, 168020), (4065, 159216), (4280, 151218), (4336, 149265), (4464, 144985), (4815, 134416), (4878, 132680), (5136, 126015), (5420, 119412), (5580, 115988), (6420, 100812), (6504, 99510), (6634, 97560), (7440, 86991), (7704, 84010), (8130, 79608), (8401, 77040), (8560, 75609), (9630, 67208), (9756, 66340), (9951, 65040), (10840, 59706), (11160, 57994), (12195, 53072), (12840, 50406), (13008, 49755), (13268, 48780), (15408, 42005), (16260, 39804), (16585, 39024), (16802, 38520), (19260, 33604), (19512, 33170), (19902, 32520), (21680, 29853), (22320, 28997), (24390, 26536), (25203, 25680)]