61787960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3833}}^1$

素因数の和:3888

約数の個数: 64

約数和(自身を含む): 154586880

約数和(自身を除く): 92798920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 3833, 4030, 7666, 8060, 15332, 16120, 19165, 30664, 38330, 49829, 76660, 99658, 118823, 153320, 199316, 237646, 249145, 398632, 475292, 498290, 594115, 950584, 996580, 1188230, 1544699, 1993160, 2376460, 3089398, 4752920, 6178796, 7723495, 12357592, 15446990, 30893980, 61787960]

約数ペア:

[(1, 61787960), (2, 30893980), (4, 15446990), (5, 12357592), (8, 7723495), (10, 6178796), (13, 4752920), (20, 3089398), (26, 2376460), (31, 1993160), (40, 1544699), (52, 1188230), (62, 996580), (65, 950584), (104, 594115), (124, 498290), (130, 475292), (155, 398632), (248, 249145), (260, 237646), (310, 199316), (403, 153320), (520, 118823), (620, 99658), (806, 76660), (1240, 49829), (1612, 38330), (2015, 30664), (3224, 19165), (3833, 16120), (4030, 15332), (7666, 8060)]