127678980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:706

約数の個数: 192

約数和(自身を含む): 438939648

約数和(自身を除く): 311260668

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 23, 26, 30, 33, 39, 44, 46, 52, 55, 60, 65, 66, 69, 78, 92, 110, 115, 130, 132, 138, 143, 156, 165, 195, 220, 230, 253, 260, 276, 286, 299, 330, 345, 390, 429, 460, 506, 572, 598, 647, 660, 690, 715, 759, 780, 858, 897, 1012, 1196, 1265, 1294, 1380, 1430, 1495, 1518, 1716, 1794, 1941, 2145, 2530, 2588, 2860, 2990, 3036, 3235, 3289, 3588, 3795, 3882, 4290, 4485, 5060, 5980, 6470, 6578, 7117, 7590, 7764, 8411, 8580, 8970, 9705, 9867, 12940, 13156, 14234, 14881, 15180, 16445, 16822, 17940, 19410, 19734, 21351, 25233, 28468, 29762, 32890, 33644, 35585, 38820, 39468, 42055, 42702, 44643, 49335, 50466, 59524, 65780, 71170, 74405, 84110, 85404, 89286, 92521, 98670, 100932, 106755, 126165, 142340, 148810, 163691, 168220, 178572, 185042, 193453, 197340, 213510, 223215, 252330, 277563, 297620, 327382, 370084, 386906, 427020, 446430, 462605, 491073, 504660, 555126, 580359, 654764, 773812, 818455, 892860, 925210, 967265, 982146, 1110252, 1160718, 1387815, 1636910, 1850420, 1934530, 1964292, 2127983, 2321436, 2455365, 2775630, 2901795, 3273820, 3869060, 4255966, 4910730, 5551260, 5803590, 6383949, 8511932, 9821460, 10639915, 11607180, 12767898, 21279830, 25535796, 31919745, 42559660, 63839490, 127678980]

約数ペア:

[(1, 127678980), (2, 63839490), (3, 42559660), (4, 31919745), (5, 25535796), (6, 21279830), (10, 12767898), (11, 11607180), (12, 10639915), (13, 9821460), (15, 8511932), (20, 6383949), (22, 5803590), (23, 5551260), (26, 4910730), (30, 4255966), (33, 3869060), (39, 3273820), (44, 2901795), (46, 2775630), (52, 2455365), (55, 2321436), (60, 2127983), (65, 1964292), (66, 1934530), (69, 1850420), (78, 1636910), (92, 1387815), (110, 1160718), (115, 1110252), (130, 982146), (132, 967265), (138, 925210), (143, 892860), (156, 818455), (165, 773812), (195, 654764), (220, 580359), (230, 555126), (253, 504660), (260, 491073), (276, 462605), (286, 446430), (299, 427020), (330, 386906), (345, 370084), (390, 327382), (429, 297620), (460, 277563), (506, 252330), (572, 223215), (598, 213510), (647, 197340), (660, 193453), (690, 185042), (715, 178572), (759, 168220), (780, 163691), (858, 148810), (897, 142340), (1012, 126165), (1196, 106755), (1265, 100932), (1294, 98670), (1380, 92521), (1430, 89286), (1495, 85404), (1518, 84110), (1716, 74405), (1794, 71170), (1941, 65780), (2145, 59524), (2530, 50466), (2588, 49335), (2860, 44643), (2990, 42702), (3036, 42055), (3235, 39468), (3289, 38820), (3588, 35585), (3795, 33644), (3882, 32890), (4290, 29762), (4485, 28468), (5060, 25233), (5980, 21351), (6470, 19734), (6578, 19410), (7117, 17940), (7590, 16822), (7764, 16445), (8411, 15180), (8580, 14881), (8970, 14234), (9705, 13156), (9867, 12940)]