1215677080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{613}}^1\times {\mathrm{1153}}^1$

素因数の和:1820

約数の個数: 64

約数和(自身を含む): 2805881760

約数和(自身を除く): 1590204680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 613, 860, 1153, 1226, 1720, 2306, 2452, 3065, 4612, 4904, 5765, 6130, 9224, 11530, 12260, 23060, 24520, 26359, 46120, 49579, 52718, 99158, 105436, 131795, 198316, 210872, 247895, 263590, 396632, 495790, 527180, 706789, 991580, 1054360, 1413578, 1983160, 2827156, 3533945, 5654312, 7067890, 14135780, 28271560, 30391927, 60783854, 121567708, 151959635, 243135416, 303919270, 607838540, 1215677080]

約数ペア:

[(1, 1215677080), (2, 607838540), (4, 303919270), (5, 243135416), (8, 151959635), (10, 121567708), (20, 60783854), (40, 30391927), (43, 28271560), (86, 14135780), (172, 7067890), (215, 5654312), (344, 3533945), (430, 2827156), (613, 1983160), (860, 1413578), (1153, 1054360), (1226, 991580), (1720, 706789), (2306, 527180), (2452, 495790), (3065, 396632), (4612, 263590), (4904, 247895), (5765, 210872), (6130, 198316), (9224, 131795), (11530, 105436), (12260, 99158), (23060, 52718), (24520, 49579), (26359, 46120)]