978046680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{626953}}^1$

素因数の和:626980

約数の個数: 64

約数和(自身を含む): 3159848160

約数和(自身を除く): 2181801480

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, 626953, 1253906, 1880859, 2507812, 3134765, 3761718, 5015624, 6269530, 7523436, 8150389, 9404295, 12539060, 15046872, 16300778, 18808590, 24451167, 25078120, 32601556, 37617180, 40751945, 48902334, 65203112, 75234360, 81503890, 97804668, 122255835, 163007780, 195609336, 244511670, 326015560, 489023340, 978046680]

約数ペア:

[(1, 978046680), (2, 489023340), (3, 326015560), (4, 244511670), (5, 195609336), (6, 163007780), (8, 122255835), (10, 97804668), (12, 81503890), (13, 75234360), (15, 65203112), (20, 48902334), (24, 40751945), (26, 37617180), (30, 32601556), (39, 25078120), (40, 24451167), (52, 18808590), (60, 16300778), (65, 15046872), (78, 12539060), (104, 9404295), (120, 8150389), (130, 7523436), (156, 6269530), (195, 5015624), (260, 3761718), (312, 3134765), (390, 2507812), (520, 1880859), (780, 1253906), (1560, 626953)]