280521180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{38011}}^1$

素因数の和:38067

約数の個数: 72

約数和(自身を含む): 871691184

約数和(自身を除く): 591170004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 38011, 76022, 114033, 152044, 190055, 228066, 342099, 380110, 456132, 570165, 684198, 760220, 1140330, 1368396, 1558451, 1710495, 2280660, 3116902, 3420990, 4675353, 6233804, 6841980, 7792255, 9350706, 14026059, 15584510, 18701412, 23376765, 28052118, 31169020, 46753530, 56104236, 70130295, 93507060, 140260590, 280521180]

約数ペア:

[(1, 280521180), (2, 140260590), (3, 93507060), (4, 70130295), (5, 56104236), (6, 46753530), (9, 31169020), (10, 28052118), (12, 23376765), (15, 18701412), (18, 15584510), (20, 14026059), (30, 9350706), (36, 7792255), (41, 6841980), (45, 6233804), (60, 4675353), (82, 3420990), (90, 3116902), (123, 2280660), (164, 1710495), (180, 1558451), (205, 1368396), (246, 1140330), (369, 760220), (410, 684198), (492, 570165), (615, 456132), (738, 380110), (820, 342099), (1230, 228066), (1476, 190055), (1845, 152044), (2460, 114033), (3690, 76022), (7380, 38011)]