255715980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2393}}^1$

素因数の和:2555

約数の個数: 96

約数和(自身を含む): 777034944

約数和(自身を除く): 521318964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 137, 156, 195, 260, 274, 390, 411, 548, 685, 780, 822, 1370, 1644, 1781, 2055, 2393, 2740, 3562, 4110, 4786, 5343, 7124, 7179, 8220, 8905, 9572, 10686, 11965, 14358, 17810, 21372, 23930, 26715, 28716, 31109, 35620, 35895, 47860, 53430, 62218, 71790, 93327, 106860, 124436, 143580, 155545, 186654, 311090, 327841, 373308, 466635, 622180, 655682, 933270, 983523, 1311364, 1639205, 1866540, 1967046, 3278410, 3934092, 4261933, 4917615, 6556820, 8523866, 9835230, 12785799, 17047732, 19670460, 21309665, 25571598, 42619330, 51143196, 63928995, 85238660, 127857990, 255715980]

約数ペア:

[(1, 255715980), (2, 127857990), (3, 85238660), (4, 63928995), (5, 51143196), (6, 42619330), (10, 25571598), (12, 21309665), (13, 19670460), (15, 17047732), (20, 12785799), (26, 9835230), (30, 8523866), (39, 6556820), (52, 4917615), (60, 4261933), (65, 3934092), (78, 3278410), (130, 1967046), (137, 1866540), (156, 1639205), (195, 1311364), (260, 983523), (274, 933270), (390, 655682), (411, 622180), (548, 466635), (685, 373308), (780, 327841), (822, 311090), (1370, 186654), (1644, 155545), (1781, 143580), (2055, 124436), (2393, 106860), (2740, 93327), (3562, 71790), (4110, 62218), (4786, 53430), (5343, 47860), (7124, 35895), (7179, 35620), (8220, 31109), (8905, 28716), (9572, 26715), (10686, 23930), (11965, 21372), (14358, 17810)]