20172541920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1\times {\mathrm{2699}}^1$

素因数の和:3417

約数の個数: 192

約数和(自身を含む): 66428812800

約数和(自身を除く): 46256270880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 677, 690, 736, 920, 1104, 1354, 1380, 1840, 2031, 2208, 2699, 2708, 2760, 3385, 3680, 4062, 5398, 5416, 5520, 6770, 8097, 8124, 10155, 10796, 10832, 11040, 13495, 13540, 15571, 16194, 16248, 20310, 21592, 21664, 26990, 27080, 31142, 32388, 32496, 40485, 40620, 43184, 46713, 53980, 54160, 62077, 62284, 64776, 64992, 77855, 80970, 81240, 86368, 93426, 107960, 108320, 124154, 124568, 129552, 155710, 161940, 162480, 186231, 186852, 215920, 233565, 248308, 249136, 259104, 310385, 311420, 323880, 324960, 372462, 373704, 431840, 467130, 496616, 498272, 620770, 622840, 647760, 744924, 747408, 931155, 934260, 993232, 1241540, 1245680, 1295520, 1489848, 1494816, 1827223, 1862310, 1868520, 1986464, 2483080, 2491360, 2979696, 3654446, 3724620, 3737040, 4966160, 5481669, 5959392, 7308892, 7449240, 7474080, 9136115, 9932320, 10963338, 14617784, 14898480, 18272230, 21926676, 27408345, 29235568, 29796960, 36544460, 42026129, 43853352, 54816690, 58471136, 73088920, 84052258, 87706704, 109633380, 126078387, 146177840, 168104516, 175413408, 210130645, 219266760, 252156774, 292355680, 336209032, 420261290, 438533520, 504313548, 630391935, 672418064, 840522580, 877067040, 1008627096, 1260783870, 1344836128, 1681045160, 2017254192, 2521567740, 3362090320, 4034508384, 5043135480, 6724180640, 10086270960, 20172541920]

約数ペア:

[(1, 20172541920), (2, 10086270960), (3, 6724180640), (4, 5043135480), (5, 4034508384), (6, 3362090320), (8, 2521567740), (10, 2017254192), (12, 1681045160), (15, 1344836128), (16, 1260783870), (20, 1008627096), (23, 877067040), (24, 840522580), (30, 672418064), (32, 630391935), (40, 504313548), (46, 438533520), (48, 420261290), (60, 336209032), (69, 292355680), (80, 252156774), (92, 219266760), (96, 210130645), (115, 175413408), (120, 168104516), (138, 146177840), (160, 126078387), (184, 109633380), (230, 87706704), (240, 84052258), (276, 73088920), (345, 58471136), (368, 54816690), (460, 43853352), (480, 42026129), (552, 36544460), (677, 29796960), (690, 29235568), (736, 27408345), (920, 21926676), (1104, 18272230), (1354, 14898480), (1380, 14617784), (1840, 10963338), (2031, 9932320), (2208, 9136115), (2699, 7474080), (2708, 7449240), (2760, 7308892), (3385, 5959392), (3680, 5481669), (4062, 4966160), (5398, 3737040), (5416, 3724620), (5520, 3654446), (6770, 2979696), (8097, 2491360), (8124, 2483080), (10155, 1986464), (10796, 1868520), (10832, 1862310), (11040, 1827223), (13495, 1494816), (13540, 1489848), (15571, 1295520), (16194, 1245680), (16248, 1241540), (20310, 993232), (21592, 934260), (21664, 931155), (26990, 747408), (27080, 744924), (31142, 647760), (32388, 622840), (32496, 620770), (40485, 498272), (40620, 496616), (43184, 467130), (46713, 431840), (53980, 373704), (54160, 372462), (62077, 324960), (62284, 323880), (64776, 311420), (64992, 310385), (77855, 259104), (80970, 249136), (81240, 248308), (86368, 233565), (93426, 215920), (107960, 186852), (108320, 186231), (124154, 162480), (124568, 161940), (129552, 155710)]