61620520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{727}}^1$

素因数の和:914

約数の個数: 64

約数和(自身を含む): 150433920

約数和(自身を除く): 88813400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 163, 260, 326, 520, 652, 727, 815, 1304, 1454, 1630, 2119, 2908, 3260, 3635, 4238, 5816, 6520, 7270, 8476, 9451, 10595, 14540, 16952, 18902, 21190, 29080, 37804, 42380, 47255, 75608, 84760, 94510, 118501, 189020, 237002, 378040, 474004, 592505, 948008, 1185010, 1540513, 2370020, 3081026, 4740040, 6162052, 7702565, 12324104, 15405130, 30810260, 61620520]

約数ペア:

[(1, 61620520), (2, 30810260), (4, 15405130), (5, 12324104), (8, 7702565), (10, 6162052), (13, 4740040), (20, 3081026), (26, 2370020), (40, 1540513), (52, 1185010), (65, 948008), (104, 592505), (130, 474004), (163, 378040), (260, 237002), (326, 189020), (520, 118501), (652, 94510), (727, 84760), (815, 75608), (1304, 47255), (1454, 42380), (1630, 37804), (2119, 29080), (2908, 21190), (3260, 18902), (3635, 16952), (4238, 14540), (5816, 10595), (6520, 9451), (7270, 8476)]