1481472640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:978

約数の個数: 128

約数和(自身を含む): 3701376000

約数和(自身を除く): 2219903360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 89, 124, 128, 155, 160, 178, 248, 310, 320, 356, 445, 496, 620, 640, 712, 839, 890, 992, 1240, 1424, 1678, 1780, 1984, 2480, 2759, 2848, 3356, 3560, 3968, 4195, 4960, 5518, 5696, 6712, 7120, 8390, 9920, 11036, 11392, 13424, 13795, 14240, 16780, 19840, 22072, 26009, 26848, 27590, 28480, 33560, 44144, 52018, 53696, 55180, 56960, 67120, 74671, 88288, 104036, 107392, 110360, 130045, 134240, 149342, 176576, 208072, 220720, 260090, 268480, 298684, 353152, 373355, 416144, 441440, 520180, 536960, 597368, 746710, 832288, 882880, 1040360, 1194736, 1493420, 1664576, 1765760, 2080720, 2314801, 2389472, 2986840, 3329152, 4161440, 4629602, 4778944, 5973680, 8322880, 9259204, 9557888, 11574005, 11947360, 16645760, 18518408, 23148010, 23894720, 37036816, 46296020, 47789440, 74073632, 92592040, 148147264, 185184080, 296294528, 370368160, 740736320, 1481472640]

約数ペア:

[(1, 1481472640), (2, 740736320), (4, 370368160), (5, 296294528), (8, 185184080), (10, 148147264), (16, 92592040), (20, 74073632), (31, 47789440), (32, 46296020), (40, 37036816), (62, 23894720), (64, 23148010), (80, 18518408), (89, 16645760), (124, 11947360), (128, 11574005), (155, 9557888), (160, 9259204), (178, 8322880), (248, 5973680), (310, 4778944), (320, 4629602), (356, 4161440), (445, 3329152), (496, 2986840), (620, 2389472), (640, 2314801), (712, 2080720), (839, 1765760), (890, 1664576), (992, 1493420), (1240, 1194736), (1424, 1040360), (1678, 882880), (1780, 832288), (1984, 746710), (2480, 597368), (2759, 536960), (2848, 520180), (3356, 441440), (3560, 416144), (3968, 373355), (4195, 353152), (4960, 298684), (5518, 268480), (5696, 260090), (6712, 220720), (7120, 208072), (8390, 176576), (9920, 149342), (11036, 134240), (11392, 130045), (13424, 110360), (13795, 107392), (14240, 104036), (16780, 88288), (19840, 74671), (22072, 67120), (26009, 56960), (26848, 55180), (27590, 53696), (28480, 52018), (33560, 44144)]