90310880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1$

素因数の和:169

約数の個数: 144

約数和(自身を含む): 245823984

約数和(自身を除く): 155513104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 80, 88, 92, 97, 110, 115, 160, 176, 184, 194, 220, 230, 253, 352, 368, 388, 440, 460, 485, 506, 529, 736, 776, 880, 920, 970, 1012, 1058, 1067, 1265, 1552, 1760, 1840, 1940, 2024, 2116, 2134, 2231, 2530, 2645, 3104, 3680, 3880, 4048, 4232, 4268, 4462, 5060, 5290, 5335, 5819, 7760, 8096, 8464, 8536, 8924, 10120, 10580, 10670, 11155, 11638, 15520, 16928, 17072, 17848, 20240, 21160, 21340, 22310, 23276, 24541, 29095, 34144, 35696, 40480, 42320, 42680, 44620, 46552, 49082, 51313, 58190, 71392, 84640, 85360, 89240, 93104, 98164, 102626, 116380, 122705, 170720, 178480, 186208, 196328, 205252, 232760, 245410, 256565, 356960, 392656, 410504, 465520, 490820, 513130, 564443, 785312, 821008, 931040, 981640, 1026260, 1128886, 1642016, 1963280, 2052520, 2257772, 2822215, 3926560, 4105040, 4515544, 5644430, 8210080, 9031088, 11288860, 18062176, 22577720, 45155440, 90310880]

約数ペア:

[(1, 90310880), (2, 45155440), (4, 22577720), (5, 18062176), (8, 11288860), (10, 9031088), (11, 8210080), (16, 5644430), (20, 4515544), (22, 4105040), (23, 3926560), (32, 2822215), (40, 2257772), (44, 2052520), (46, 1963280), (55, 1642016), (80, 1128886), (88, 1026260), (92, 981640), (97, 931040), (110, 821008), (115, 785312), (160, 564443), (176, 513130), (184, 490820), (194, 465520), (220, 410504), (230, 392656), (253, 356960), (352, 256565), (368, 245410), (388, 232760), (440, 205252), (460, 196328), (485, 186208), (506, 178480), (529, 170720), (736, 122705), (776, 116380), (880, 102626), (920, 98164), (970, 93104), (1012, 89240), (1058, 85360), (1067, 84640), (1265, 71392), (1552, 58190), (1760, 51313), (1840, 49082), (1940, 46552), (2024, 44620), (2116, 42680), (2134, 42320), (2231, 40480), (2530, 35696), (2645, 34144), (3104, 29095), (3680, 24541), (3880, 23276), (4048, 22310), (4232, 21340), (4268, 21160), (4462, 20240), (5060, 17848), (5290, 17072), (5335, 16928), (5819, 15520), (7760, 11638), (8096, 11155), (8464, 10670), (8536, 10580), (8924, 10120)]