64521990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55147}}^1$

素因数の和:55173

約数の個数: 48

約数和(自身を含む): 180664848

約数和(自身を除く): 116142858

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 55147, 110294, 165441, 275735, 330882, 496323, 551470, 716911, 827205, 992646, 1433822, 1654410, 2150733, 2481615, 3584555, 4301466, 4963230, 6452199, 7169110, 10753665, 12904398, 21507330, 32260995, 64521990]

約数ペア:

[(1, 64521990), (2, 32260995), (3, 21507330), (5, 12904398), (6, 10753665), (9, 7169110), (10, 6452199), (13, 4963230), (15, 4301466), (18, 3584555), (26, 2481615), (30, 2150733), (39, 1654410), (45, 1433822), (65, 992646), (78, 827205), (90, 716911), (117, 551470), (130, 496323), (195, 330882), (234, 275735), (390, 165441), (585, 110294), (1170, 55147)]