61651720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2237}}^1$

素因数の和:2314

約数の個数: 64

約数和(自身を含む): 152273520

約数和(自身を除く): 90621800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2237, 2756, 3445, 4474, 5512, 6890, 8948, 11185, 13780, 17896, 22370, 27560, 29081, 44740, 58162, 89480, 116324, 118561, 145405, 232648, 237122, 290810, 474244, 581620, 592805, 948488, 1163240, 1185610, 1541293, 2371220, 3082586, 4742440, 6165172, 7706465, 12330344, 15412930, 30825860, 61651720]

約数ペア:

[(1, 61651720), (2, 30825860), (4, 15412930), (5, 12330344), (8, 7706465), (10, 6165172), (13, 4742440), (20, 3082586), (26, 2371220), (40, 1541293), (52, 1185610), (53, 1163240), (65, 948488), (104, 592805), (106, 581620), (130, 474244), (212, 290810), (260, 237122), (265, 232648), (424, 145405), (520, 118561), (530, 116324), (689, 89480), (1060, 58162), (1378, 44740), (2120, 29081), (2237, 27560), (2756, 22370), (3445, 17896), (4474, 13780), (5512, 11185), (6890, 8948)]