128618640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4357}}^1$

素因数の和:4417

約数の個数: 120

約数和(自身を含む): 442581048

約数和(自身を除く): 313962408

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 180, 205, 240, 246, 328, 360, 369, 410, 492, 615, 656, 720, 738, 820, 984, 1230, 1476, 1640, 1845, 1968, 2460, 2952, 3280, 3690, 4357, 4920, 5904, 7380, 8714, 9840, 13071, 14760, 17428, 21785, 26142, 29520, 34856, 39213, 43570, 52284, 65355, 69712, 78426, 87140, 104568, 130710, 156852, 174280, 178637, 196065, 209136, 261420, 313704, 348560, 357274, 392130, 522840, 535911, 627408, 714548, 784260, 893185, 1045680, 1071822, 1429096, 1568520, 1607733, 1786370, 2143644, 2679555, 2858192, 3137040, 3215466, 3572740, 4287288, 5359110, 6430932, 7145480, 8038665, 8574576, 10718220, 12861864, 14290960, 16077330, 21436440, 25723728, 32154660, 42872880, 64309320, 128618640]

約数ペア:

[(1, 128618640), (2, 64309320), (3, 42872880), (4, 32154660), (5, 25723728), (6, 21436440), (8, 16077330), (9, 14290960), (10, 12861864), (12, 10718220), (15, 8574576), (16, 8038665), (18, 7145480), (20, 6430932), (24, 5359110), (30, 4287288), (36, 3572740), (40, 3215466), (41, 3137040), (45, 2858192), (48, 2679555), (60, 2143644), (72, 1786370), (80, 1607733), (82, 1568520), (90, 1429096), (120, 1071822), (123, 1045680), (144, 893185), (164, 784260), (180, 714548), (205, 627408), (240, 535911), (246, 522840), (328, 392130), (360, 357274), (369, 348560), (410, 313704), (492, 261420), (615, 209136), (656, 196065), (720, 178637), (738, 174280), (820, 156852), (984, 130710), (1230, 104568), (1476, 87140), (1640, 78426), (1845, 69712), (1968, 65355), (2460, 52284), (2952, 43570), (3280, 39213), (3690, 34856), (4357, 29520), (4920, 26142), (5904, 21785), (7380, 17428), (8714, 14760), (9840, 13071)]