217936680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139703}}^1$

素因数の和:139730

約数の個数: 64

約数和(自身を含む): 704108160

約数和(自身を除く): 486171480

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, 139703, 279406, 419109, 558812, 698515, 838218, 1117624, 1397030, 1676436, 1816139, 2095545, 2794060, 3352872, 3632278, 4191090, 5448417, 5588120, 7264556, 8382180, 9080695, 10896834, 14529112, 16764360, 18161390, 21793668, 27242085, 36322780, 43587336, 54484170, 72645560, 108968340, 217936680]

約数ペア:

[(1, 217936680), (2, 108968340), (3, 72645560), (4, 54484170), (5, 43587336), (6, 36322780), (8, 27242085), (10, 21793668), (12, 18161390), (13, 16764360), (15, 14529112), (20, 10896834), (24, 9080695), (26, 8382180), (30, 7264556), (39, 5588120), (40, 5448417), (52, 4191090), (60, 3632278), (65, 3352872), (78, 2794060), (104, 2095545), (120, 1816139), (130, 1676436), (156, 1397030), (195, 1117624), (260, 838218), (312, 698515), (390, 558812), (520, 419109), (780, 279406), (1560, 139703)]