27638520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2531}}^1$

素因数の和:2565

約数の個数: 128

約数和(自身を含む): 102090240

約数和(自身を除く): 74451720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2531, 2730, 3640, 5062, 5460, 7593, 10124, 10920, 12655, 15186, 17717, 20248, 25310, 30372, 32903, 35434, 37965, 50620, 53151, 60744, 65806, 70868, 75930, 88585, 98709, 101240, 106302, 131612, 141736, 151860, 164515, 177170, 197418, 212604, 230321, 263224, 265755, 303720, 329030, 354340, 394836, 425208, 460642, 493545, 531510, 658060, 690963, 708680, 789672, 921284, 987090, 1063020, 1151605, 1316120, 1381926, 1842568, 1974180, 2126040, 2303210, 2763852, 3454815, 3948360, 4606420, 5527704, 6909630, 9212840, 13819260, 27638520]

約数ペア:

[(1, 27638520), (2, 13819260), (3, 9212840), (4, 6909630), (5, 5527704), (6, 4606420), (7, 3948360), (8, 3454815), (10, 2763852), (12, 2303210), (13, 2126040), (14, 1974180), (15, 1842568), (20, 1381926), (21, 1316120), (24, 1151605), (26, 1063020), (28, 987090), (30, 921284), (35, 789672), (39, 708680), (40, 690963), (42, 658060), (52, 531510), (56, 493545), (60, 460642), (65, 425208), (70, 394836), (78, 354340), (84, 329030), (91, 303720), (104, 265755), (105, 263224), (120, 230321), (130, 212604), (140, 197418), (156, 177170), (168, 164515), (182, 151860), (195, 141736), (210, 131612), (260, 106302), (273, 101240), (280, 98709), (312, 88585), (364, 75930), (390, 70868), (420, 65806), (455, 60744), (520, 53151), (546, 50620), (728, 37965), (780, 35434), (840, 32903), (910, 30372), (1092, 25310), (1365, 20248), (1560, 17717), (1820, 15186), (2184, 12655), (2531, 10920), (2730, 10124), (3640, 7593), (5062, 5460)]