82720440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1$

素因数の和:256

約数の個数: 240

約数和(自身を含む): 307054440

約数和(自身を除く): 224334000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 81, 88, 90, 99, 108, 110, 120, 121, 132, 135, 162, 165, 180, 198, 211, 216, 220, 242, 264, 270, 297, 324, 330, 360, 363, 396, 405, 422, 440, 484, 495, 540, 594, 605, 633, 648, 660, 726, 792, 810, 844, 891, 968, 990, 1055, 1080, 1089, 1188, 1210, 1266, 1320, 1452, 1485, 1620, 1688, 1782, 1815, 1899, 1980, 2110, 2178, 2321, 2376, 2420, 2532, 2904, 2970, 3165, 3240, 3267, 3564, 3630, 3798, 3960, 4220, 4356, 4455, 4642, 4840, 5064, 5445, 5697, 5940, 6330, 6534, 6963, 7128, 7260, 7596, 8440, 8712, 8910, 9284, 9495, 9801, 10890, 11394, 11605, 11880, 12660, 13068, 13926, 14520, 15192, 16335, 17091, 17820, 18568, 18990, 19602, 20889, 21780, 22788, 23210, 25320, 25531, 26136, 27852, 28485, 32670, 34182, 34815, 35640, 37980, 39204, 41778, 43560, 45576, 46420, 49005, 51062, 55704, 56970, 62667, 65340, 68364, 69630, 75960, 76593, 78408, 83556, 85455, 92840, 98010, 102124, 104445, 113940, 125334, 127655, 130680, 136728, 139260, 153186, 167112, 170910, 188001, 196020, 204248, 208890, 227880, 229779, 250668, 255310, 278520, 306372, 313335, 341820, 376002, 382965, 392040, 417780, 459558, 501336, 510620, 612744, 626670, 683640, 689337, 752004, 765930, 835560, 919116, 940005, 1021240, 1148895, 1253340, 1378674, 1504008, 1531860, 1838232, 1880010, 2068011, 2297790, 2506680, 2757348, 3063720, 3446685, 3760020, 4136022, 4595580, 5514696, 6893370, 7520040, 8272044, 9191160, 10340055, 13786740, 16544088, 20680110, 27573480, 41360220, 82720440]

約数ペア:

[(1, 82720440), (2, 41360220), (3, 27573480), (4, 20680110), (5, 16544088), (6, 13786740), (8, 10340055), (9, 9191160), (10, 8272044), (11, 7520040), (12, 6893370), (15, 5514696), (18, 4595580), (20, 4136022), (22, 3760020), (24, 3446685), (27, 3063720), (30, 2757348), (33, 2506680), (36, 2297790), (40, 2068011), (44, 1880010), (45, 1838232), (54, 1531860), (55, 1504008), (60, 1378674), (66, 1253340), (72, 1148895), (81, 1021240), (88, 940005), (90, 919116), (99, 835560), (108, 765930), (110, 752004), (120, 689337), (121, 683640), (132, 626670), (135, 612744), (162, 510620), (165, 501336), (180, 459558), (198, 417780), (211, 392040), (216, 382965), (220, 376002), (242, 341820), (264, 313335), (270, 306372), (297, 278520), (324, 255310), (330, 250668), (360, 229779), (363, 227880), (396, 208890), (405, 204248), (422, 196020), (440, 188001), (484, 170910), (495, 167112), (540, 153186), (594, 139260), (605, 136728), (633, 130680), (648, 127655), (660, 125334), (726, 113940), (792, 104445), (810, 102124), (844, 98010), (891, 92840), (968, 85455), (990, 83556), (1055, 78408), (1080, 76593), (1089, 75960), (1188, 69630), (1210, 68364), (1266, 65340), (1320, 62667), (1452, 56970), (1485, 55704), (1620, 51062), (1688, 49005), (1782, 46420), (1815, 45576), (1899, 43560), (1980, 41778), (2110, 39204), (2178, 37980), (2321, 35640), (2376, 34815), (2420, 34182), (2532, 32670), (2904, 28485), (2970, 27852), (3165, 26136), (3240, 25531), (3267, 25320), (3564, 23210), (3630, 22788), (3798, 21780), (3960, 20889), (4220, 19602), (4356, 18990), (4455, 18568), (4642, 17820), (4840, 17091), (5064, 16335), (5445, 15192), (5697, 14520), (5940, 13926), (6330, 13068), (6534, 12660), (6963, 11880), (7128, 11605), (7260, 11394), (7596, 10890), (8440, 9801), (8712, 9495), (8910, 9284)]