61608040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{461}}^1$

素因数の和:742

約数の個数: 64

約数和(自身を含む): 150186960

約数和(自身を除く): 88578920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 257, 260, 461, 514, 520, 922, 1028, 1285, 1844, 2056, 2305, 2570, 3341, 3688, 4610, 5140, 5993, 6682, 9220, 10280, 11986, 13364, 16705, 18440, 23972, 26728, 29965, 33410, 47944, 59930, 66820, 118477, 119860, 133640, 236954, 239720, 473908, 592385, 947816, 1184770, 1540201, 2369540, 3080402, 4739080, 6160804, 7701005, 12321608, 15402010, 30804020, 61608040]

約数ペア:

[(1, 61608040), (2, 30804020), (4, 15402010), (5, 12321608), (8, 7701005), (10, 6160804), (13, 4739080), (20, 3080402), (26, 2369540), (40, 1540201), (52, 1184770), (65, 947816), (104, 592385), (130, 473908), (257, 239720), (260, 236954), (461, 133640), (514, 119860), (520, 118477), (922, 66820), (1028, 59930), (1285, 47944), (1844, 33410), (2056, 29965), (2305, 26728), (2570, 23972), (3341, 18440), (3688, 16705), (4610, 13364), (5140, 11986), (5993, 10280), (6682, 9220)]