164937780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1657}}^1$

素因数の和:1758

約数の個数: 144

約数和(自身を含む): 579371520

約数和(自身を除く): 414433740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 630, 711, 790, 948, 1106, 1185, 1260, 1422, 1580, 1657, 1659, 2212, 2370, 2765, 2844, 3314, 3318, 3555, 4740, 4971, 4977, 5530, 6628, 6636, 7110, 8285, 8295, 9942, 9954, 11060, 11599, 14220, 14913, 16570, 16590, 19884, 19908, 23198, 24855, 24885, 29826, 33140, 33180, 34797, 46396, 49710, 49770, 57995, 59652, 69594, 74565, 99420, 99540, 104391, 115990, 130903, 139188, 149130, 173985, 208782, 231980, 261806, 298260, 347970, 392709, 417564, 521955, 523612, 654515, 695940, 785418, 916321, 1043910, 1178127, 1309030, 1570836, 1832642, 1963545, 2087820, 2356254, 2618060, 2748963, 3665284, 3927090, 4581605, 4712508, 5497926, 5890635, 7854180, 8246889, 9163210, 10995852, 11781270, 13744815, 16493778, 18326420, 23562540, 27489630, 32987556, 41234445, 54979260, 82468890, 164937780]

約数ペア:

[(1, 164937780), (2, 82468890), (3, 54979260), (4, 41234445), (5, 32987556), (6, 27489630), (7, 23562540), (9, 18326420), (10, 16493778), (12, 13744815), (14, 11781270), (15, 10995852), (18, 9163210), (20, 8246889), (21, 7854180), (28, 5890635), (30, 5497926), (35, 4712508), (36, 4581605), (42, 3927090), (45, 3665284), (60, 2748963), (63, 2618060), (70, 2356254), (79, 2087820), (84, 1963545), (90, 1832642), (105, 1570836), (126, 1309030), (140, 1178127), (158, 1043910), (180, 916321), (210, 785418), (237, 695940), (252, 654515), (315, 523612), (316, 521955), (395, 417564), (420, 392709), (474, 347970), (553, 298260), (630, 261806), (711, 231980), (790, 208782), (948, 173985), (1106, 149130), (1185, 139188), (1260, 130903), (1422, 115990), (1580, 104391), (1657, 99540), (1659, 99420), (2212, 74565), (2370, 69594), (2765, 59652), (2844, 57995), (3314, 49770), (3318, 49710), (3555, 46396), (4740, 34797), (4971, 33180), (4977, 33140), (5530, 29826), (6628, 24885), (6636, 24855), (7110, 23198), (8285, 19908), (8295, 19884), (9942, 16590), (9954, 16570), (11060, 14913), (11599, 14220)]