71540080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1283}}^1$

素因数の和:1354

約数の個数: 80

約数和(自身を含む): 180550944

約数和(自身を除く): 109010864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 656, 680, 697, 820, 1283, 1360, 1394, 1640, 2566, 2788, 3280, 3485, 5132, 5576, 6415, 6970, 10264, 11152, 12830, 13940, 20528, 21811, 25660, 27880, 43622, 51320, 52603, 55760, 87244, 102640, 105206, 109055, 174488, 210412, 218110, 263015, 348976, 420824, 436220, 526030, 841648, 872440, 894251, 1052060, 1744880, 1788502, 2104120, 3577004, 4208240, 4471255, 7154008, 8942510, 14308016, 17885020, 35770040, 71540080]

約数ペア:

[(1, 71540080), (2, 35770040), (4, 17885020), (5, 14308016), (8, 8942510), (10, 7154008), (16, 4471255), (17, 4208240), (20, 3577004), (34, 2104120), (40, 1788502), (41, 1744880), (68, 1052060), (80, 894251), (82, 872440), (85, 841648), (136, 526030), (164, 436220), (170, 420824), (205, 348976), (272, 263015), (328, 218110), (340, 210412), (410, 174488), (656, 109055), (680, 105206), (697, 102640), (820, 87244), (1283, 55760), (1360, 52603), (1394, 51320), (1640, 43622), (2566, 27880), (2788, 25660), (3280, 21811), (3485, 20528), (5132, 13940), (5576, 12830), (6415, 11152), (6970, 10264)]