31906680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 104569920

約数和(自身を除く): 72663240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 113, 120, 130, 156, 181, 195, 226, 260, 312, 339, 362, 390, 452, 520, 543, 565, 678, 724, 780, 904, 905, 1086, 1130, 1356, 1448, 1469, 1560, 1695, 1810, 2172, 2260, 2353, 2712, 2715, 2938, 3390, 3620, 4344, 4407, 4520, 4706, 5430, 5876, 6780, 7059, 7240, 7345, 8814, 9412, 10860, 11752, 11765, 13560, 14118, 14690, 17628, 18824, 20453, 21720, 22035, 23530, 28236, 29380, 35256, 35295, 40906, 44070, 47060, 56472, 58760, 61359, 70590, 81812, 88140, 94120, 102265, 122718, 141180, 163624, 176280, 204530, 245436, 265889, 282360, 306795, 409060, 490872, 531778, 613590, 797667, 818120, 1063556, 1227180, 1329445, 1595334, 2127112, 2454360, 2658890, 3190668, 3988335, 5317780, 6381336, 7976670, 10635560, 15953340, 31906680]

約数ペア:

[(1, 31906680), (2, 15953340), (3, 10635560), (4, 7976670), (5, 6381336), (6, 5317780), (8, 3988335), (10, 3190668), (12, 2658890), (13, 2454360), (15, 2127112), (20, 1595334), (24, 1329445), (26, 1227180), (30, 1063556), (39, 818120), (40, 797667), (52, 613590), (60, 531778), (65, 490872), (78, 409060), (104, 306795), (113, 282360), (120, 265889), (130, 245436), (156, 204530), (181, 176280), (195, 163624), (226, 141180), (260, 122718), (312, 102265), (339, 94120), (362, 88140), (390, 81812), (452, 70590), (520, 61359), (543, 58760), (565, 56472), (678, 47060), (724, 44070), (780, 40906), (904, 35295), (905, 35256), (1086, 29380), (1130, 28236), (1356, 23530), (1448, 22035), (1469, 21720), (1560, 20453), (1695, 18824), (1810, 17628), (2172, 14690), (2260, 14118), (2353, 13560), (2712, 11765), (2715, 11752), (2938, 10860), (3390, 9412), (3620, 8814), (4344, 7345), (4407, 7240), (4520, 7059), (4706, 6780), (5430, 5876)]