4991221920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2183

約数の個数: 192

約数和(自身を含む): 16240766976

約数和(自身を除く): 11249545056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 96, 120, 123, 127, 160, 164, 205, 240, 246, 254, 328, 381, 410, 480, 492, 508, 615, 635, 656, 762, 820, 984, 1016, 1230, 1270, 1312, 1524, 1640, 1905, 1968, 1997, 2032, 2460, 2540, 3048, 3280, 3810, 3936, 3994, 4064, 4920, 5080, 5207, 5991, 6096, 6560, 7620, 7988, 9840, 9985, 10160, 10414, 11982, 12192, 15240, 15621, 15976, 19680, 19970, 20320, 20828, 23964, 26035, 29955, 30480, 31242, 31952, 39940, 41656, 47928, 52070, 59910, 60960, 62484, 63904, 78105, 79880, 81877, 83312, 95856, 104140, 119820, 124968, 156210, 159760, 163754, 166624, 191712, 208280, 239640, 245631, 249936, 253619, 312420, 319520, 327508, 409385, 416560, 479280, 491262, 499872, 507238, 624840, 655016, 760857, 818770, 833120, 958560, 982524, 1014476, 1228155, 1249680, 1268095, 1310032, 1521714, 1637540, 1965048, 2028952, 2456310, 2499360, 2536190, 2620064, 3043428, 3275080, 3804285, 3930096, 4057904, 4912620, 5072380, 6086856, 6550160, 7608570, 7860192, 8115808, 9825240, 10144760, 10398379, 12173712, 13100320, 15217140, 19650480, 20289520, 20796758, 24347424, 30434280, 31195137, 39300960, 40579040, 41593516, 51991895, 60868560, 62390274, 83187032, 103983790, 121737120, 124780548, 155975685, 166374064, 207967580, 249561096, 311951370, 332748128, 415935160, 499122192, 623902740, 831870320, 998244384, 1247805480, 1663740640, 2495610960, 4991221920]

約数ペア:

[(1, 4991221920), (2, 2495610960), (3, 1663740640), (4, 1247805480), (5, 998244384), (6, 831870320), (8, 623902740), (10, 499122192), (12, 415935160), (15, 332748128), (16, 311951370), (20, 249561096), (24, 207967580), (30, 166374064), (32, 155975685), (40, 124780548), (41, 121737120), (48, 103983790), (60, 83187032), (80, 62390274), (82, 60868560), (96, 51991895), (120, 41593516), (123, 40579040), (127, 39300960), (160, 31195137), (164, 30434280), (205, 24347424), (240, 20796758), (246, 20289520), (254, 19650480), (328, 15217140), (381, 13100320), (410, 12173712), (480, 10398379), (492, 10144760), (508, 9825240), (615, 8115808), (635, 7860192), (656, 7608570), (762, 6550160), (820, 6086856), (984, 5072380), (1016, 4912620), (1230, 4057904), (1270, 3930096), (1312, 3804285), (1524, 3275080), (1640, 3043428), (1905, 2620064), (1968, 2536190), (1997, 2499360), (2032, 2456310), (2460, 2028952), (2540, 1965048), (3048, 1637540), (3280, 1521714), (3810, 1310032), (3936, 1268095), (3994, 1249680), (4064, 1228155), (4920, 1014476), (5080, 982524), (5207, 958560), (5991, 833120), (6096, 818770), (6560, 760857), (7620, 655016), (7988, 624840), (9840, 507238), (9985, 499872), (10160, 491262), (10414, 479280), (11982, 416560), (12192, 409385), (15240, 327508), (15621, 319520), (15976, 312420), (19680, 253619), (19970, 249936), (20320, 245631), (20828, 239640), (23964, 208280), (26035, 191712), (29955, 166624), (30480, 163754), (31242, 159760), (31952, 156210), (39940, 124968), (41656, 119820), (47928, 104140), (52070, 95856), (59910, 83312), (60960, 81877), (62484, 79880), (63904, 78105)]