68930820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{241}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 241008768

約数和(自身を除く): 172077948

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 227, 241, 252, 315, 420, 454, 482, 630, 681, 723, 908, 964, 1135, 1205, 1260, 1362, 1446, 1589, 1687, 2043, 2169, 2270, 2410, 2724, 2892, 3178, 3374, 3405, 3615, 4086, 4338, 4540, 4767, 4820, 5061, 6356, 6748, 6810, 7230, 7945, 8172, 8435, 8676, 9534, 10122, 10215, 10845, 13620, 14301, 14460, 15183, 15890, 16870, 19068, 20244, 20430, 21690, 23835, 25305, 28602, 30366, 31780, 33740, 40860, 43380, 47670, 50610, 54707, 57204, 60732, 71505, 75915, 95340, 101220, 109414, 143010, 151830, 164121, 218828, 273535, 286020, 303660, 328242, 382949, 492363, 547070, 656484, 765898, 820605, 984726, 1094140, 1148847, 1531796, 1641210, 1914745, 1969452, 2297694, 2461815, 3282420, 3446541, 3829490, 4595388, 4923630, 5744235, 6893082, 7658980, 9847260, 11488470, 13786164, 17232705, 22976940, 34465410, 68930820]

約数ペア:

[(1, 68930820), (2, 34465410), (3, 22976940), (4, 17232705), (5, 13786164), (6, 11488470), (7, 9847260), (9, 7658980), (10, 6893082), (12, 5744235), (14, 4923630), (15, 4595388), (18, 3829490), (20, 3446541), (21, 3282420), (28, 2461815), (30, 2297694), (35, 1969452), (36, 1914745), (42, 1641210), (45, 1531796), (60, 1148847), (63, 1094140), (70, 984726), (84, 820605), (90, 765898), (105, 656484), (126, 547070), (140, 492363), (180, 382949), (210, 328242), (227, 303660), (241, 286020), (252, 273535), (315, 218828), (420, 164121), (454, 151830), (482, 143010), (630, 109414), (681, 101220), (723, 95340), (908, 75915), (964, 71505), (1135, 60732), (1205, 57204), (1260, 54707), (1362, 50610), (1446, 47670), (1589, 43380), (1687, 40860), (2043, 33740), (2169, 31780), (2270, 30366), (2410, 28602), (2724, 25305), (2892, 23835), (3178, 21690), (3374, 20430), (3405, 20244), (3615, 19068), (4086, 16870), (4338, 15890), (4540, 15183), (4767, 14460), (4820, 14301), (5061, 13620), (6356, 10845), (6748, 10215), (6810, 10122), (7230, 9534), (7945, 8676), (8172, 8435)]