68603580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1483}}^1$

素因数の和:1755

約数の個数: 72

約数和(自身を含む): 209048112

約数和(自身を除く): 140444532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1483, 1542, 2313, 2570, 2966, 3084, 3855, 4449, 4626, 5140, 5932, 7415, 7710, 8898, 9252, 11565, 13347, 14830, 15420, 17796, 22245, 23130, 26694, 29660, 44490, 46260, 53388, 66735, 88980, 133470, 266940, 381131, 762262, 1143393, 1524524, 1905655, 2286786, 3430179, 3811310, 4573572, 5716965, 6860358, 7622620, 11433930, 13720716, 17150895, 22867860, 34301790, 68603580]

約数ペア:

[(1, 68603580), (2, 34301790), (3, 22867860), (4, 17150895), (5, 13720716), (6, 11433930), (9, 7622620), (10, 6860358), (12, 5716965), (15, 4573572), (18, 3811310), (20, 3430179), (30, 2286786), (36, 1905655), (45, 1524524), (60, 1143393), (90, 762262), (180, 381131), (257, 266940), (514, 133470), (771, 88980), (1028, 66735), (1285, 53388), (1483, 46260), (1542, 44490), (2313, 29660), (2570, 26694), (2966, 23130), (3084, 22245), (3855, 17796), (4449, 15420), (4626, 14830), (5140, 13347), (5932, 11565), (7415, 9252), (7710, 8898)]