2168156940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^2\times {\mathrm{6781}}^1$

素因数の和:6939

約数の個数: 72

約数和(自身を含む): 6156048528

約数和(自身を除く): 3987891588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 5329, 6781, 10658, 13562, 15987, 20343, 21316, 26645, 27124, 31974, 33905, 40686, 53290, 63948, 67810, 79935, 81372, 101715, 106580, 135620, 159870, 203430, 319740, 406860, 495013, 990026, 1485039, 1980052, 2475065, 2970078, 4950130, 5940156, 7425195, 9900260, 14850390, 29700780, 36135949, 72271898, 108407847, 144543796, 180679745, 216815694, 361359490, 433631388, 542039235, 722718980, 1084078470, 2168156940]

約数ペア:

[(1, 2168156940), (2, 1084078470), (3, 722718980), (4, 542039235), (5, 433631388), (6, 361359490), (10, 216815694), (12, 180679745), (15, 144543796), (20, 108407847), (30, 72271898), (60, 36135949), (73, 29700780), (146, 14850390), (219, 9900260), (292, 7425195), (365, 5940156), (438, 4950130), (730, 2970078), (876, 2475065), (1095, 1980052), (1460, 1485039), (2190, 990026), (4380, 495013), (5329, 406860), (6781, 319740), (10658, 203430), (13562, 159870), (15987, 135620), (20343, 106580), (21316, 101715), (26645, 81372), (27124, 79935), (31974, 67810), (33905, 63948), (40686, 53290)]