61761880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1439}}^1$

素因数の和:1516

約数の個数: 64

約数和(自身を含む): 147744000

約数和(自身を除く): 85982120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 290, 296, 370, 580, 740, 1073, 1160, 1439, 1480, 2146, 2878, 4292, 5365, 5756, 7195, 8584, 10730, 11512, 14390, 21460, 28780, 41731, 42920, 53243, 57560, 83462, 106486, 166924, 208655, 212972, 266215, 333848, 417310, 425944, 532430, 834620, 1064860, 1544047, 1669240, 2129720, 3088094, 6176188, 7720235, 12352376, 15440470, 30880940, 61761880]

約数ペア:

[(1, 61761880), (2, 30880940), (4, 15440470), (5, 12352376), (8, 7720235), (10, 6176188), (20, 3088094), (29, 2129720), (37, 1669240), (40, 1544047), (58, 1064860), (74, 834620), (116, 532430), (145, 425944), (148, 417310), (185, 333848), (232, 266215), (290, 212972), (296, 208655), (370, 166924), (580, 106486), (740, 83462), (1073, 57560), (1160, 53243), (1439, 42920), (1480, 41731), (2146, 28780), (2878, 21460), (4292, 14390), (5365, 11512), (5756, 10730), (7195, 8584)]