15986040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19031}}^1$

素因数の和:19052

約数の個数: 64

約数和(自身を含む): 54812160

約数和(自身を除く): 38826120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 19031, 38062, 57093, 76124, 95155, 114186, 133217, 152248, 190310, 228372, 266434, 285465, 380620, 399651, 456744, 532868, 570930, 666085, 761240, 799302, 1065736, 1141860, 1332170, 1598604, 1998255, 2283720, 2664340, 3197208, 3996510, 5328680, 7993020, 15986040]

約数ペア:

[(1, 15986040), (2, 7993020), (3, 5328680), (4, 3996510), (5, 3197208), (6, 2664340), (7, 2283720), (8, 1998255), (10, 1598604), (12, 1332170), (14, 1141860), (15, 1065736), (20, 799302), (21, 761240), (24, 666085), (28, 570930), (30, 532868), (35, 456744), (40, 399651), (42, 380620), (56, 285465), (60, 266434), (70, 228372), (84, 190310), (105, 152248), (120, 133217), (140, 114186), (168, 95155), (210, 76124), (280, 57093), (420, 38062), (840, 19031)]