1251871725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{283}}^1\times {\mathrm{349}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 2255584800

約数和(自身を除く): 1003713075

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 169, 195, 283, 325, 349, 507, 845, 849, 975, 1047, 1415, 1745, 2535, 3679, 4225, 4245, 4537, 5235, 7075, 8725, 11037, 12675, 13611, 18395, 21225, 22685, 26175, 47827, 55185, 58981, 68055, 91975, 98767, 113425, 143481, 176943, 239135, 275925, 294905, 296301, 340275, 493835, 717405, 884715, 1195675, 1283971, 1474525, 1481505, 2469175, 3587025, 3851913, 4423575, 6419855, 7407525, 16691623, 19259565, 32099275, 50074869, 83458115, 96297825, 250374345, 417290575, 1251871725]

約数ペア:

[(1, 1251871725), (3, 417290575), (5, 250374345), (13, 96297825), (15, 83458115), (25, 50074869), (39, 32099275), (65, 19259565), (75, 16691623), (169, 7407525), (195, 6419855), (283, 4423575), (325, 3851913), (349, 3587025), (507, 2469175), (845, 1481505), (849, 1474525), (975, 1283971), (1047, 1195675), (1415, 884715), (1745, 717405), (2535, 493835), (3679, 340275), (4225, 296301), (4245, 294905), (4537, 275925), (5235, 239135), (7075, 176943), (8725, 143481), (11037, 113425), (12675, 98767), (13611, 91975), (18395, 68055), (21225, 58981), (22685, 55185), (26175, 47827)]