81988740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1019}}^1$

素因数の和:1186

約数の個数: 96

約数和(自身を含む): 257040000

約数和(自身を除く): 175051260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 149, 180, 270, 298, 447, 540, 596, 745, 894, 1019, 1341, 1490, 1788, 2038, 2235, 2682, 2980, 3057, 4023, 4076, 4470, 5095, 5364, 6114, 6705, 8046, 8940, 9171, 10190, 12228, 13410, 15285, 16092, 18342, 20115, 20380, 26820, 27513, 30570, 36684, 40230, 45855, 55026, 61140, 80460, 91710, 110052, 137565, 151831, 183420, 275130, 303662, 455493, 550260, 607324, 759155, 910986, 1366479, 1518310, 1821972, 2277465, 2732958, 3036620, 4099437, 4554930, 5465916, 6832395, 8198874, 9109860, 13664790, 16397748, 20497185, 27329580, 40994370, 81988740]

約数ペア:

[(1, 81988740), (2, 40994370), (3, 27329580), (4, 20497185), (5, 16397748), (6, 13664790), (9, 9109860), (10, 8198874), (12, 6832395), (15, 5465916), (18, 4554930), (20, 4099437), (27, 3036620), (30, 2732958), (36, 2277465), (45, 1821972), (54, 1518310), (60, 1366479), (90, 910986), (108, 759155), (135, 607324), (149, 550260), (180, 455493), (270, 303662), (298, 275130), (447, 183420), (540, 151831), (596, 137565), (745, 110052), (894, 91710), (1019, 80460), (1341, 61140), (1490, 55026), (1788, 45855), (2038, 40230), (2235, 36684), (2682, 30570), (2980, 27513), (3057, 26820), (4023, 20380), (4076, 20115), (4470, 18342), (5095, 16092), (5364, 15285), (6114, 13410), (6705, 12228), (8046, 10190), (8940, 9171)]