81826680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52453}}^1$

素因数の和:52480

約数の個数: 64

約数和(自身を含む): 264368160

約数和(自身を除く): 182541480

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, 52453, 104906, 157359, 209812, 262265, 314718, 419624, 524530, 629436, 681889, 786795, 1049060, 1258872, 1363778, 1573590, 2045667, 2098120, 2727556, 3147180, 3409445, 4091334, 5455112, 6294360, 6818890, 8182668, 10228335, 13637780, 16365336, 20456670, 27275560, 40913340, 81826680]

約数ペア:

[(1, 81826680), (2, 40913340), (3, 27275560), (4, 20456670), (5, 16365336), (6, 13637780), (8, 10228335), (10, 8182668), (12, 6818890), (13, 6294360), (15, 5455112), (20, 4091334), (24, 3409445), (26, 3147180), (30, 2727556), (39, 2098120), (40, 2045667), (52, 1573590), (60, 1363778), (65, 1258872), (78, 1049060), (104, 786795), (120, 681889), (130, 629436), (156, 524530), (195, 419624), (260, 314718), (312, 262265), (390, 209812), (520, 157359), (780, 104906), (1560, 52453)]