618985680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{307}}^1$

素因数の和:625

約数の個数: 160

約数和(自身を含む): 1994539008

約数和(自身を除く): 1375553328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 271, 307, 310, 372, 465, 496, 542, 614, 620, 744, 813, 921, 930, 1084, 1228, 1240, 1355, 1488, 1535, 1626, 1842, 1860, 2168, 2456, 2480, 2710, 3070, 3252, 3684, 3720, 4065, 4336, 4605, 4912, 5420, 6140, 6504, 7368, 7440, 8130, 8401, 9210, 9517, 10840, 12280, 13008, 14736, 16260, 16802, 18420, 19034, 21680, 24560, 25203, 28551, 32520, 33604, 36840, 38068, 42005, 47585, 50406, 57102, 65040, 67208, 73680, 76136, 83197, 84010, 95170, 100812, 114204, 126015, 134416, 142755, 152272, 166394, 168020, 190340, 201624, 228408, 249591, 252030, 285510, 332788, 336040, 380680, 403248, 415985, 456816, 499182, 504060, 571020, 665576, 672080, 761360, 831970, 998364, 1008120, 1142040, 1247955, 1331152, 1663940, 1996728, 2016240, 2284080, 2495910, 2579107, 3327880, 3993456, 4991820, 5158214, 6655760, 7737321, 9983640, 10316428, 12895535, 15474642, 19967280, 20632856, 25791070, 30949284, 38686605, 41265712, 51582140, 61898568, 77373210, 103164280, 123797136, 154746420, 206328560, 309492840, 618985680]

約数ペア:

[(1, 618985680), (2, 309492840), (3, 206328560), (4, 154746420), (5, 123797136), (6, 103164280), (8, 77373210), (10, 61898568), (12, 51582140), (15, 41265712), (16, 38686605), (20, 30949284), (24, 25791070), (30, 20632856), (31, 19967280), (40, 15474642), (48, 12895535), (60, 10316428), (62, 9983640), (80, 7737321), (93, 6655760), (120, 5158214), (124, 4991820), (155, 3993456), (186, 3327880), (240, 2579107), (248, 2495910), (271, 2284080), (307, 2016240), (310, 1996728), (372, 1663940), (465, 1331152), (496, 1247955), (542, 1142040), (614, 1008120), (620, 998364), (744, 831970), (813, 761360), (921, 672080), (930, 665576), (1084, 571020), (1228, 504060), (1240, 499182), (1355, 456816), (1488, 415985), (1535, 403248), (1626, 380680), (1842, 336040), (1860, 332788), (2168, 285510), (2456, 252030), (2480, 249591), (2710, 228408), (3070, 201624), (3252, 190340), (3684, 168020), (3720, 166394), (4065, 152272), (4336, 142755), (4605, 134416), (4912, 126015), (5420, 114204), (6140, 100812), (6504, 95170), (7368, 84010), (7440, 83197), (8130, 76136), (8401, 73680), (9210, 67208), (9517, 65040), (10840, 57102), (12280, 50406), (13008, 47585), (14736, 42005), (16260, 38068), (16802, 36840), (18420, 33604), (19034, 32520), (21680, 28551), (24560, 25203)]