307520520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1095

約数の個数: 128

約数和(自身を含む): 960474240

約数和(自身を除く): 652953720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 61, 86, 120, 122, 129, 172, 183, 215, 244, 258, 305, 344, 366, 430, 488, 516, 610, 645, 732, 860, 915, 977, 1032, 1220, 1290, 1464, 1720, 1830, 1954, 2440, 2580, 2623, 2931, 3660, 3908, 4885, 5160, 5246, 5862, 7320, 7816, 7869, 9770, 10492, 11724, 13115, 14655, 15738, 19540, 20984, 23448, 26230, 29310, 31476, 39080, 39345, 42011, 52460, 58620, 59597, 62952, 78690, 84022, 104920, 117240, 119194, 126033, 157380, 168044, 178791, 210055, 238388, 252066, 297985, 314760, 336088, 357582, 420110, 476776, 504132, 595970, 630165, 715164, 840220, 893955, 1008264, 1191940, 1260330, 1430328, 1680440, 1787910, 2383880, 2520660, 2562671, 3575820, 5041320, 5125342, 7151640, 7688013, 10250684, 12813355, 15376026, 20501368, 25626710, 30752052, 38440065, 51253420, 61504104, 76880130, 102506840, 153760260, 307520520]

約数ペア:

[(1, 307520520), (2, 153760260), (3, 102506840), (4, 76880130), (5, 61504104), (6, 51253420), (8, 38440065), (10, 30752052), (12, 25626710), (15, 20501368), (20, 15376026), (24, 12813355), (30, 10250684), (40, 7688013), (43, 7151640), (60, 5125342), (61, 5041320), (86, 3575820), (120, 2562671), (122, 2520660), (129, 2383880), (172, 1787910), (183, 1680440), (215, 1430328), (244, 1260330), (258, 1191940), (305, 1008264), (344, 893955), (366, 840220), (430, 715164), (488, 630165), (516, 595970), (610, 504132), (645, 476776), (732, 420110), (860, 357582), (915, 336088), (977, 314760), (1032, 297985), (1220, 252066), (1290, 238388), (1464, 210055), (1720, 178791), (1830, 168044), (1954, 157380), (2440, 126033), (2580, 119194), (2623, 117240), (2931, 104920), (3660, 84022), (3908, 78690), (4885, 62952), (5160, 59597), (5246, 58620), (5862, 52460), (7320, 42011), (7816, 39345), (7869, 39080), (9770, 31476), (10492, 29310), (11724, 26230), (13115, 23448), (14655, 20984), (15738, 19540)]