77705820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22721}}^1$

素因数の和:22755

約数の個数: 72

約数和(自身を含む): 248124240

約数和(自身を除く): 170418420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 22721, 45442, 68163, 90884, 113605, 136326, 204489, 227210, 272652, 340815, 408978, 431699, 454420, 681630, 817956, 863398, 1022445, 1295097, 1363260, 1726796, 2044890, 2158495, 2590194, 3885291, 4089780, 4316990, 5180388, 6475485, 7770582, 8633980, 12950970, 15541164, 19426455, 25901940, 38852910, 77705820]

約数ペア:

[(1, 77705820), (2, 38852910), (3, 25901940), (4, 19426455), (5, 15541164), (6, 12950970), (9, 8633980), (10, 7770582), (12, 6475485), (15, 5180388), (18, 4316990), (19, 4089780), (20, 3885291), (30, 2590194), (36, 2158495), (38, 2044890), (45, 1726796), (57, 1363260), (60, 1295097), (76, 1022445), (90, 863398), (95, 817956), (114, 681630), (171, 454420), (180, 431699), (190, 408978), (228, 340815), (285, 272652), (342, 227210), (380, 204489), (570, 136326), (684, 113605), (855, 90884), (1140, 68163), (1710, 45442), (3420, 22721)]