31283460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 105945840

約数和(自身を除く): 74662380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 290, 348, 377, 390, 435, 461, 468, 522, 580, 585, 754, 780, 870, 922, 1044, 1131, 1170, 1305, 1383, 1508, 1740, 1844, 1885, 2262, 2305, 2340, 2610, 2766, 3393, 3770, 4149, 4524, 4610, 5220, 5532, 5655, 5993, 6786, 6915, 7540, 8298, 9220, 11310, 11986, 13369, 13572, 13830, 16596, 16965, 17979, 20745, 22620, 23972, 26738, 27660, 29965, 33930, 35958, 40107, 41490, 53476, 53937, 59930, 66845, 67860, 71916, 80214, 82980, 89895, 107874, 119860, 120321, 133690, 160428, 173797, 179790, 200535, 215748, 240642, 267380, 269685, 347594, 359580, 401070, 481284, 521391, 539370, 601605, 695188, 802140, 868985, 1042782, 1078740, 1203210, 1564173, 1737970, 2085564, 2406420, 2606955, 3128346, 3475940, 5213910, 6256692, 7820865, 10427820, 15641730, 31283460]

約数ペア:

[(1, 31283460), (2, 15641730), (3, 10427820), (4, 7820865), (5, 6256692), (6, 5213910), (9, 3475940), (10, 3128346), (12, 2606955), (13, 2406420), (15, 2085564), (18, 1737970), (20, 1564173), (26, 1203210), (29, 1078740), (30, 1042782), (36, 868985), (39, 802140), (45, 695188), (52, 601605), (58, 539370), (60, 521391), (65, 481284), (78, 401070), (87, 359580), (90, 347594), (116, 269685), (117, 267380), (130, 240642), (145, 215748), (156, 200535), (174, 179790), (180, 173797), (195, 160428), (234, 133690), (260, 120321), (261, 119860), (290, 107874), (348, 89895), (377, 82980), (390, 80214), (435, 71916), (461, 67860), (468, 66845), (522, 59930), (580, 53937), (585, 53476), (754, 41490), (780, 40107), (870, 35958), (922, 33930), (1044, 29965), (1131, 27660), (1170, 26738), (1305, 23972), (1383, 22620), (1508, 20745), (1740, 17979), (1844, 16965), (1885, 16596), (2262, 13830), (2305, 13572), (2340, 13369), (2610, 11986), (2766, 11310), (3393, 9220), (3770, 8298), (4149, 7540), (4524, 6915), (4610, 6786), (5220, 5993), (5532, 5655)]