198826680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127453}}^1$

素因数の和:127480

約数の個数: 64

約数和(自身を含む): 642368160

約数和(自身を除く): 443541480

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, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 127453, 254906, 382359, 509812, 637265, 764718, 1019624, 1274530, 1529436, 1656889, 1911795, 2549060, 3058872, 3313778, 3823590, 4970667, 5098120, 6627556, 7647180, 8284445, 9941334, 13255112, 15294360, 16568890, 19882668, 24853335, 33137780, 39765336, 49706670, 66275560, 99413340, 198826680]

約数ペア:

[(1, 198826680), (2, 99413340), (3, 66275560), (4, 49706670), (5, 39765336), (6, 33137780), (8, 24853335), (10, 19882668), (12, 16568890), (13, 15294360), (15, 13255112), (20, 9941334), (24, 8284445), (26, 7647180), (30, 6627556), (39, 5098120), (40, 4970667), (52, 3823590), (60, 3313778), (65, 3058872), (78, 2549060), (104, 1911795), (120, 1656889), (130, 1529436), (156, 1274530), (195, 1019624), (260, 764718), (312, 637265), (390, 509812), (520, 382359), (780, 254906), (1560, 127453)]