181561120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2129}}^1$

素因数の和:2198

約数の個数: 96

約数和(自身を含む): 473422320

約数和(自身を除く): 291861200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 65, 80, 82, 104, 130, 160, 164, 205, 208, 260, 328, 410, 416, 520, 533, 656, 820, 1040, 1066, 1312, 1640, 2080, 2129, 2132, 2665, 3280, 4258, 4264, 5330, 6560, 8516, 8528, 10645, 10660, 17032, 17056, 21290, 21320, 27677, 34064, 42580, 42640, 55354, 68128, 85160, 85280, 87289, 110708, 138385, 170320, 174578, 221416, 276770, 340640, 349156, 436445, 442832, 553540, 698312, 872890, 885664, 1107080, 1134757, 1396624, 1745780, 2214160, 2269514, 2793248, 3491560, 4428320, 4539028, 5673785, 6983120, 9078056, 11347570, 13966240, 18156112, 22695140, 36312224, 45390280, 90780560, 181561120]

約数ペア:

[(1, 181561120), (2, 90780560), (4, 45390280), (5, 36312224), (8, 22695140), (10, 18156112), (13, 13966240), (16, 11347570), (20, 9078056), (26, 6983120), (32, 5673785), (40, 4539028), (41, 4428320), (52, 3491560), (65, 2793248), (80, 2269514), (82, 2214160), (104, 1745780), (130, 1396624), (160, 1134757), (164, 1107080), (205, 885664), (208, 872890), (260, 698312), (328, 553540), (410, 442832), (416, 436445), (520, 349156), (533, 340640), (656, 276770), (820, 221416), (1040, 174578), (1066, 170320), (1312, 138385), (1640, 110708), (2080, 87289), (2129, 85280), (2132, 85160), (2665, 68128), (3280, 55354), (4258, 42640), (4264, 42580), (5330, 34064), (6560, 27677), (8516, 21320), (8528, 21290), (10645, 17056), (10660, 17032)]