68504280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43913}}^1$

素因数の和:43940

約数の個数: 64

約数和(自身を含む): 221326560

約数和(自身を除く): 152822280

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, 43913, 87826, 131739, 175652, 219565, 263478, 351304, 439130, 526956, 570869, 658695, 878260, 1053912, 1141738, 1317390, 1712607, 1756520, 2283476, 2634780, 2854345, 3425214, 4566952, 5269560, 5708690, 6850428, 8563035, 11417380, 13700856, 17126070, 22834760, 34252140, 68504280]

約数ペア:

[(1, 68504280), (2, 34252140), (3, 22834760), (4, 17126070), (5, 13700856), (6, 11417380), (8, 8563035), (10, 6850428), (12, 5708690), (13, 5269560), (15, 4566952), (20, 3425214), (24, 2854345), (26, 2634780), (30, 2283476), (39, 1756520), (40, 1712607), (52, 1317390), (60, 1141738), (65, 1053912), (78, 878260), (104, 658695), (120, 570869), (130, 526956), (156, 439130), (195, 351304), (260, 263478), (312, 219565), (390, 175652), (520, 131739), (780, 87826), (1560, 43913)]