131282970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2580

約数の個数: 128

約数和(自身を含む): 408360960

約数和(自身を除く): 277077990

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 390, 399, 455, 494, 546, 570, 665, 741, 798, 910, 1235, 1330, 1365, 1482, 1729, 1995, 2470, 2531, 2730, 3458, 3705, 3990, 5062, 5187, 7410, 7593, 8645, 10374, 12655, 15186, 17290, 17717, 25310, 25935, 32903, 35434, 37965, 48089, 51870, 53151, 65806, 75930, 88585, 96178, 98709, 106302, 144267, 164515, 177170, 197418, 230321, 240445, 265755, 288534, 329030, 336623, 460642, 480890, 493545, 531510, 625157, 673246, 690963, 721335, 987090, 1009869, 1151605, 1250314, 1381926, 1442670, 1683115, 1875471, 2019738, 2303210, 3125785, 3366230, 3454815, 3750942, 4376099, 5049345, 6251570, 6909630, 8752198, 9377355, 10098690, 13128297, 18754710, 21880495, 26256594, 43760990, 65641485, 131282970]

約数ペア:

[(1, 131282970), (2, 65641485), (3, 43760990), (5, 26256594), (6, 21880495), (7, 18754710), (10, 13128297), (13, 10098690), (14, 9377355), (15, 8752198), (19, 6909630), (21, 6251570), (26, 5049345), (30, 4376099), (35, 3750942), (38, 3454815), (39, 3366230), (42, 3125785), (57, 2303210), (65, 2019738), (70, 1875471), (78, 1683115), (91, 1442670), (95, 1381926), (105, 1250314), (114, 1151605), (130, 1009869), (133, 987090), (182, 721335), (190, 690963), (195, 673246), (210, 625157), (247, 531510), (266, 493545), (273, 480890), (285, 460642), (390, 336623), (399, 329030), (455, 288534), (494, 265755), (546, 240445), (570, 230321), (665, 197418), (741, 177170), (798, 164515), (910, 144267), (1235, 106302), (1330, 98709), (1365, 96178), (1482, 88585), (1729, 75930), (1995, 65806), (2470, 53151), (2531, 51870), (2730, 48089), (3458, 37965), (3705, 35434), (3990, 32903), (5062, 25935), (5187, 25310), (7410, 17717), (7593, 17290), (8645, 15186), (10374, 12655)]