81250260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:702

約数の個数: 192

約数和(自身を含む): 292626432

約数和(自身を除く): 211376172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 23, 26, 28, 30, 35, 39, 42, 46, 52, 60, 65, 69, 70, 78, 84, 91, 92, 105, 115, 130, 138, 140, 156, 161, 182, 195, 210, 230, 260, 273, 276, 299, 322, 345, 364, 390, 420, 455, 460, 483, 546, 598, 644, 647, 690, 780, 805, 897, 910, 966, 1092, 1196, 1294, 1365, 1380, 1495, 1610, 1794, 1820, 1932, 1941, 2093, 2415, 2588, 2730, 2990, 3220, 3235, 3588, 3882, 4186, 4485, 4529, 4830, 5460, 5980, 6279, 6470, 7764, 8372, 8411, 8970, 9058, 9660, 9705, 10465, 12558, 12940, 13587, 14881, 16822, 17940, 18116, 19410, 20930, 22645, 25116, 25233, 27174, 29762, 31395, 33644, 38820, 41860, 42055, 44643, 45290, 50466, 54348, 58877, 59524, 62790, 67935, 74405, 84110, 89286, 90580, 100932, 104167, 117754, 125580, 126165, 135870, 148810, 168220, 176631, 178572, 193453, 208334, 223215, 235508, 252330, 271740, 294385, 297620, 312501, 353262, 386906, 416668, 446430, 504660, 520835, 580359, 588770, 625002, 706524, 773812, 883155, 892860, 967265, 1041670, 1160718, 1177540, 1250004, 1354171, 1562505, 1766310, 1934530, 2083340, 2321436, 2708342, 2901795, 3125010, 3532620, 3869060, 4062513, 5416684, 5803590, 6250020, 6770855, 8125026, 11607180, 13541710, 16250052, 20312565, 27083420, 40625130, 81250260]

約数ペア:

[(1, 81250260), (2, 40625130), (3, 27083420), (4, 20312565), (5, 16250052), (6, 13541710), (7, 11607180), (10, 8125026), (12, 6770855), (13, 6250020), (14, 5803590), (15, 5416684), (20, 4062513), (21, 3869060), (23, 3532620), (26, 3125010), (28, 2901795), (30, 2708342), (35, 2321436), (39, 2083340), (42, 1934530), (46, 1766310), (52, 1562505), (60, 1354171), (65, 1250004), (69, 1177540), (70, 1160718), (78, 1041670), (84, 967265), (91, 892860), (92, 883155), (105, 773812), (115, 706524), (130, 625002), (138, 588770), (140, 580359), (156, 520835), (161, 504660), (182, 446430), (195, 416668), (210, 386906), (230, 353262), (260, 312501), (273, 297620), (276, 294385), (299, 271740), (322, 252330), (345, 235508), (364, 223215), (390, 208334), (420, 193453), (455, 178572), (460, 176631), (483, 168220), (546, 148810), (598, 135870), (644, 126165), (647, 125580), (690, 117754), (780, 104167), (805, 100932), (897, 90580), (910, 89286), (966, 84110), (1092, 74405), (1196, 67935), (1294, 62790), (1365, 59524), (1380, 58877), (1495, 54348), (1610, 50466), (1794, 45290), (1820, 44643), (1932, 42055), (1941, 41860), (2093, 38820), (2415, 33644), (2588, 31395), (2730, 29762), (2990, 27174), (3220, 25233), (3235, 25116), (3588, 22645), (3882, 20930), (4186, 19410), (4485, 18116), (4529, 17940), (4830, 16822), (5460, 14881), (5980, 13587), (6279, 12940), (6470, 12558), (7764, 10465), (8372, 9705), (8411, 9660), (8970, 9058)]