724880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:84

約数の個数: 80

約数和(自身を含む): 1968624

約数和(自身を除く): 1243744

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 41, 52, 65, 68, 80, 82, 85, 104, 130, 136, 164, 170, 205, 208, 221, 260, 272, 328, 340, 410, 442, 520, 533, 656, 680, 697, 820, 884, 1040, 1066, 1105, 1360, 1394, 1640, 1768, 2132, 2210, 2665, 2788, 3280, 3485, 3536, 4264, 4420, 5330, 5576, 6970, 8528, 8840, 9061, 10660, 11152, 13940, 17680, 18122, 21320, 27880, 36244, 42640, 45305, 55760, 72488, 90610, 144976, 181220, 362440, 724880]

約数ペア:

[(1, 724880), (2, 362440), (4, 181220), (5, 144976), (8, 90610), (10, 72488), (13, 55760), (16, 45305), (17, 42640), (20, 36244), (26, 27880), (34, 21320), (40, 18122), (41, 17680), (52, 13940), (65, 11152), (68, 10660), (80, 9061), (82, 8840), (85, 8528), (104, 6970), (130, 5576), (136, 5330), (164, 4420), (170, 4264), (205, 3536), (208, 3485), (221, 3280), (260, 2788), (272, 2665), (328, 2210), (340, 2132), (410, 1768), (442, 1640), (520, 1394), (533, 1360), (656, 1105), (680, 1066), (697, 1040), (820, 884)]