81437460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{797}}^1$

素因数の和:953

約数の個数: 96

約数和(自身を含む): 247750272

約数和(自身を除く): 166312812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 131, 156, 195, 260, 262, 390, 393, 524, 655, 780, 786, 797, 1310, 1572, 1594, 1703, 1965, 2391, 2620, 3188, 3406, 3930, 3985, 4782, 5109, 6812, 7860, 7970, 8515, 9564, 10218, 10361, 11955, 15940, 17030, 20436, 20722, 23910, 25545, 31083, 34060, 41444, 47820, 51090, 51805, 62166, 102180, 103610, 104407, 124332, 155415, 207220, 208814, 310830, 313221, 417628, 522035, 621660, 626442, 1044070, 1252884, 1357291, 1566105, 2088140, 2714582, 3132210, 4071873, 5429164, 6264420, 6786455, 8143746, 13572910, 16287492, 20359365, 27145820, 40718730, 81437460]

約数ペア:

[(1, 81437460), (2, 40718730), (3, 27145820), (4, 20359365), (5, 16287492), (6, 13572910), (10, 8143746), (12, 6786455), (13, 6264420), (15, 5429164), (20, 4071873), (26, 3132210), (30, 2714582), (39, 2088140), (52, 1566105), (60, 1357291), (65, 1252884), (78, 1044070), (130, 626442), (131, 621660), (156, 522035), (195, 417628), (260, 313221), (262, 310830), (390, 208814), (393, 207220), (524, 155415), (655, 124332), (780, 104407), (786, 103610), (797, 102180), (1310, 62166), (1572, 51805), (1594, 51090), (1703, 47820), (1965, 41444), (2391, 34060), (2620, 31083), (3188, 25545), (3406, 23910), (3930, 20722), (3985, 20436), (4782, 17030), (5109, 15940), (6812, 11955), (7860, 10361), (7970, 10218), (8515, 9564)]