2012396880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{644999}}^1$

素因数の和:645028

約数の個数: 80

約数和(自身を含む): 6718320000

約数和(自身を除く): 4705923120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 644999, 1289998, 1934997, 2579996, 3224995, 3869994, 5159992, 6449990, 7739988, 8384987, 9674985, 10319984, 12899980, 15479976, 16769974, 19349970, 25154961, 25799960, 30959952, 33539948, 38699940, 41924935, 50309922, 51599920, 67079896, 77399880, 83849870, 100619844, 125774805, 134159792, 154799760, 167699740, 201239688, 251549610, 335399480, 402479376, 503099220, 670798960, 1006198440, 2012396880]

約数ペア:

[(1, 2012396880), (2, 1006198440), (3, 670798960), (4, 503099220), (5, 402479376), (6, 335399480), (8, 251549610), (10, 201239688), (12, 167699740), (13, 154799760), (15, 134159792), (16, 125774805), (20, 100619844), (24, 83849870), (26, 77399880), (30, 67079896), (39, 51599920), (40, 50309922), (48, 41924935), (52, 38699940), (60, 33539948), (65, 30959952), (78, 25799960), (80, 25154961), (104, 19349970), (120, 16769974), (130, 15479976), (156, 12899980), (195, 10319984), (208, 9674985), (240, 8384987), (260, 7739988), (312, 6449990), (390, 5159992), (520, 3869994), (624, 3224995), (780, 2579996), (1040, 1934997), (1560, 1289998), (3120, 644999)]