7507280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 20088000

約数和(自身を除く): 12580720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 449, 760, 836, 880, 898, 1045, 1520, 1672, 1796, 2090, 2245, 3344, 3592, 4180, 4490, 4939, 7184, 8360, 8531, 8980, 9878, 16720, 17062, 17960, 19756, 24695, 34124, 35920, 39512, 42655, 49390, 68248, 79024, 85310, 93841, 98780, 136496, 170620, 187682, 197560, 341240, 375364, 395120, 469205, 682480, 750728, 938410, 1501456, 1876820, 3753640, 7507280]

約数ペア:

[(1, 7507280), (2, 3753640), (4, 1876820), (5, 1501456), (8, 938410), (10, 750728), (11, 682480), (16, 469205), (19, 395120), (20, 375364), (22, 341240), (38, 197560), (40, 187682), (44, 170620), (55, 136496), (76, 98780), (80, 93841), (88, 85310), (95, 79024), (110, 68248), (152, 49390), (176, 42655), (190, 39512), (209, 35920), (220, 34124), (304, 24695), (380, 19756), (418, 17960), (440, 17062), (449, 16720), (760, 9878), (836, 8980), (880, 8531), (898, 8360), (1045, 7184), (1520, 4939), (1672, 4490), (1796, 4180), (2090, 3592), (2245, 3344)]