68404180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 166239360

約数和(自身を除く): 97835180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 61, 65, 76, 95, 122, 130, 190, 227, 244, 247, 260, 305, 380, 454, 494, 610, 793, 908, 988, 1135, 1159, 1220, 1235, 1586, 2270, 2318, 2470, 2951, 3172, 3965, 4313, 4540, 4636, 4940, 5795, 5902, 7930, 8626, 11590, 11804, 13847, 14755, 15067, 15860, 17252, 21565, 23180, 27694, 29510, 30134, 43130, 55388, 56069, 59020, 60268, 69235, 75335, 86260, 112138, 138470, 150670, 180011, 224276, 263093, 276940, 280345, 301340, 360022, 526186, 560690, 720044, 900055, 1052372, 1121380, 1315465, 1800110, 2630930, 3420209, 3600220, 5261860, 6840418, 13680836, 17101045, 34202090, 68404180]

約数ペア:

[(1, 68404180), (2, 34202090), (4, 17101045), (5, 13680836), (10, 6840418), (13, 5261860), (19, 3600220), (20, 3420209), (26, 2630930), (38, 1800110), (52, 1315465), (61, 1121380), (65, 1052372), (76, 900055), (95, 720044), (122, 560690), (130, 526186), (190, 360022), (227, 301340), (244, 280345), (247, 276940), (260, 263093), (305, 224276), (380, 180011), (454, 150670), (494, 138470), (610, 112138), (793, 86260), (908, 75335), (988, 69235), (1135, 60268), (1159, 59020), (1220, 56069), (1235, 55388), (1586, 43130), (2270, 30134), (2318, 29510), (2470, 27694), (2951, 23180), (3172, 21565), (3965, 17252), (4313, 15860), (4540, 15067), (4636, 14755), (4940, 13847), (5795, 11804), (5902, 11590), (7930, 8626)]