420541320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:935

約数の個数: 128

約数和(自身を含む): 1301523840

約数和(自身を除く): 880982520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 73, 120, 122, 146, 183, 219, 244, 292, 305, 365, 366, 438, 488, 584, 610, 730, 732, 787, 876, 915, 1095, 1220, 1460, 1464, 1574, 1752, 1830, 2190, 2361, 2440, 2920, 3148, 3660, 3935, 4380, 4453, 4722, 6296, 7320, 7870, 8760, 8906, 9444, 11805, 13359, 15740, 17812, 18888, 22265, 23610, 26718, 31480, 35624, 44530, 47220, 48007, 53436, 57451, 66795, 89060, 94440, 96014, 106872, 114902, 133590, 144021, 172353, 178120, 192028, 229804, 240035, 267180, 287255, 288042, 344706, 384056, 459608, 480070, 534360, 574510, 576084, 689412, 720105, 861765, 960140, 1149020, 1152168, 1378824, 1440210, 1723530, 1920280, 2298040, 2880420, 3447060, 3504511, 5760840, 6894120, 7009022, 10513533, 14018044, 17522555, 21027066, 28036088, 35045110, 42054132, 52567665, 70090220, 84108264, 105135330, 140180440, 210270660, 420541320]

約数ペア:

[(1, 420541320), (2, 210270660), (3, 140180440), (4, 105135330), (5, 84108264), (6, 70090220), (8, 52567665), (10, 42054132), (12, 35045110), (15, 28036088), (20, 21027066), (24, 17522555), (30, 14018044), (40, 10513533), (60, 7009022), (61, 6894120), (73, 5760840), (120, 3504511), (122, 3447060), (146, 2880420), (183, 2298040), (219, 1920280), (244, 1723530), (292, 1440210), (305, 1378824), (365, 1152168), (366, 1149020), (438, 960140), (488, 861765), (584, 720105), (610, 689412), (730, 576084), (732, 574510), (787, 534360), (876, 480070), (915, 459608), (1095, 384056), (1220, 344706), (1460, 288042), (1464, 287255), (1574, 267180), (1752, 240035), (1830, 229804), (2190, 192028), (2361, 178120), (2440, 172353), (2920, 144021), (3148, 133590), (3660, 114902), (3935, 106872), (4380, 96014), (4453, 94440), (4722, 89060), (6296, 66795), (7320, 57451), (7870, 53436), (8760, 48007), (8906, 47220), (9444, 44530), (11805, 35624), (13359, 31480), (15740, 26718), (17812, 23610), (18888, 22265)]