3220880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 8541120

約数和(自身を除く): 5320240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 163, 190, 208, 247, 260, 304, 326, 380, 494, 520, 652, 760, 815, 988, 1040, 1235, 1304, 1520, 1630, 1976, 2119, 2470, 2608, 3097, 3260, 3952, 4238, 4940, 6194, 6520, 8476, 9880, 10595, 12388, 13040, 15485, 16952, 19760, 21190, 24776, 30970, 33904, 40261, 42380, 49552, 61940, 80522, 84760, 123880, 161044, 169520, 201305, 247760, 322088, 402610, 644176, 805220, 1610440, 3220880]

約数ペア:

[(1, 3220880), (2, 1610440), (4, 805220), (5, 644176), (8, 402610), (10, 322088), (13, 247760), (16, 201305), (19, 169520), (20, 161044), (26, 123880), (38, 84760), (40, 80522), (52, 61940), (65, 49552), (76, 42380), (80, 40261), (95, 33904), (104, 30970), (130, 24776), (152, 21190), (163, 19760), (190, 16952), (208, 15485), (247, 13040), (260, 12388), (304, 10595), (326, 9880), (380, 8476), (494, 6520), (520, 6194), (652, 4940), (760, 4238), (815, 3952), (988, 3260), (1040, 3097), (1235, 2608), (1304, 2470), (1520, 2119), (1630, 1976)]