81222660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{853}}^1$

素因数の和:914

約数の個数: 108

約数和(自身を含む): 257855052

約数和(自身を除く): 176632392

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 529, 690, 828, 853, 1035, 1058, 1380, 1587, 1706, 2070, 2116, 2559, 2645, 3174, 3412, 4140, 4265, 4761, 5118, 5290, 6348, 7677, 7935, 8530, 9522, 10236, 10580, 12795, 15354, 15870, 17060, 19044, 19619, 23805, 25590, 30708, 31740, 38385, 39238, 47610, 51180, 58857, 76770, 78476, 95220, 98095, 117714, 153540, 176571, 196190, 235428, 294285, 353142, 392380, 451237, 588570, 706284, 882855, 902474, 1177140, 1353711, 1765710, 1804948, 2256185, 2707422, 3531420, 4061133, 4512370, 5414844, 6768555, 8122266, 9024740, 13537110, 16244532, 20305665, 27074220, 40611330, 81222660]

約数ペア:

[(1, 81222660), (2, 40611330), (3, 27074220), (4, 20305665), (5, 16244532), (6, 13537110), (9, 9024740), (10, 8122266), (12, 6768555), (15, 5414844), (18, 4512370), (20, 4061133), (23, 3531420), (30, 2707422), (36, 2256185), (45, 1804948), (46, 1765710), (60, 1353711), (69, 1177140), (90, 902474), (92, 882855), (115, 706284), (138, 588570), (180, 451237), (207, 392380), (230, 353142), (276, 294285), (345, 235428), (414, 196190), (460, 176571), (529, 153540), (690, 117714), (828, 98095), (853, 95220), (1035, 78476), (1058, 76770), (1380, 58857), (1587, 51180), (1706, 47610), (2070, 39238), (2116, 38385), (2559, 31740), (2645, 30708), (3174, 25590), (3412, 23805), (4140, 19619), (4265, 19044), (4761, 17060), (5118, 15870), (5290, 15354), (6348, 12795), (7677, 10580), (7935, 10236), (8530, 9522)]