187813980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{19687}}^1$

素因数の和:19755

約数の個数: 72

約数和(自身を含む): 580480992

約数和(自身を除く): 392667012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 19687, 39374, 59061, 78748, 98435, 118122, 177183, 196870, 236244, 295305, 354366, 393740, 590610, 708732, 885915, 1043411, 1181220, 1771830, 2086822, 3130233, 3543660, 4173644, 5217055, 6260466, 9390699, 10434110, 12520932, 15651165, 18781398, 20868220, 31302330, 37562796, 46953495, 62604660, 93906990, 187813980]

約数ペア:

[(1, 187813980), (2, 93906990), (3, 62604660), (4, 46953495), (5, 37562796), (6, 31302330), (9, 20868220), (10, 18781398), (12, 15651165), (15, 12520932), (18, 10434110), (20, 9390699), (30, 6260466), (36, 5217055), (45, 4173644), (53, 3543660), (60, 3130233), (90, 2086822), (106, 1771830), (159, 1181220), (180, 1043411), (212, 885915), (265, 708732), (318, 590610), (477, 393740), (530, 354366), (636, 295305), (795, 236244), (954, 196870), (1060, 177183), (1590, 118122), (1908, 98435), (2385, 78748), (3180, 59061), (4770, 39374), (9540, 19687)]