280376460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17117}}^1$

素因数の和:17152

約数の個数: 144

約数和(自身を含む): 1046799936

約数和(自身を除く): 766423476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 17117, 34234, 51351, 68468, 85585, 102702, 119819, 154053, 171170, 205404, 222521, 239638, 256755, 308106, 342340, 359457, 445042, 479276, 513510, 599095, 616212, 667563, 718914, 770265, 890084, 1027020, 1078371, 1112605, 1198190, 1335126, 1437828, 1540530, 1557647, 1797285, 2002689, 2156742, 2225210, 2396380, 2670252, 3081060, 3115294, 3337815, 3594570, 4005378, 4313484, 4450420, 4672941, 5391855, 6230588, 6675630, 7189140, 7788235, 8010756, 9345882, 10013445, 10783710, 13351260, 14018823, 15576470, 18691764, 20026890, 21567420, 23364705, 28037646, 31152940, 40053780, 46729410, 56075292, 70094115, 93458820, 140188230, 280376460]

約数ペア:

[(1, 280376460), (2, 140188230), (3, 93458820), (4, 70094115), (5, 56075292), (6, 46729410), (7, 40053780), (9, 31152940), (10, 28037646), (12, 23364705), (13, 21567420), (14, 20026890), (15, 18691764), (18, 15576470), (20, 14018823), (21, 13351260), (26, 10783710), (28, 10013445), (30, 9345882), (35, 8010756), (36, 7788235), (39, 7189140), (42, 6675630), (45, 6230588), (52, 5391855), (60, 4672941), (63, 4450420), (65, 4313484), (70, 4005378), (78, 3594570), (84, 3337815), (90, 3115294), (91, 3081060), (105, 2670252), (117, 2396380), (126, 2225210), (130, 2156742), (140, 2002689), (156, 1797285), (180, 1557647), (182, 1540530), (195, 1437828), (210, 1335126), (234, 1198190), (252, 1112605), (260, 1078371), (273, 1027020), (315, 890084), (364, 770265), (390, 718914), (420, 667563), (455, 616212), (468, 599095), (546, 513510), (585, 479276), (630, 445042), (780, 359457), (819, 342340), (910, 308106), (1092, 256755), (1170, 239638), (1260, 222521), (1365, 205404), (1638, 171170), (1820, 154053), (2340, 119819), (2730, 102702), (3276, 85585), (4095, 68468), (5460, 51351), (8190, 34234), (16380, 17117)]