71250840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{21991}}^1$

素因数の和:22014

約数の個数: 80

約数和(自身を含む): 239492880

約数和(自身を除く): 168242040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 21991, 43982, 65973, 87964, 109955, 131946, 175928, 197919, 219910, 263892, 329865, 395838, 439820, 527784, 593757, 659730, 791676, 879640, 989595, 1187514, 1319460, 1583352, 1781271, 1979190, 2375028, 2638920, 2968785, 3562542, 3958380, 4750056, 5937570, 7125084, 7916760, 8906355, 11875140, 14250168, 17812710, 23750280, 35625420, 71250840]

約数ペア:

[(1, 71250840), (2, 35625420), (3, 23750280), (4, 17812710), (5, 14250168), (6, 11875140), (8, 8906355), (9, 7916760), (10, 7125084), (12, 5937570), (15, 4750056), (18, 3958380), (20, 3562542), (24, 2968785), (27, 2638920), (30, 2375028), (36, 1979190), (40, 1781271), (45, 1583352), (54, 1319460), (60, 1187514), (72, 989595), (81, 879640), (90, 791676), (108, 659730), (120, 593757), (135, 527784), (162, 439820), (180, 395838), (216, 329865), (270, 263892), (324, 219910), (360, 197919), (405, 175928), (540, 131946), (648, 109955), (810, 87964), (1080, 65973), (1620, 43982), (3240, 21991)]