27239940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1663}}^1$

素因数の和:1698

約数の個数: 144

約数和(自身を含む): 101756928

約数和(自身を除く): 74516988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1663, 1820, 2340, 2730, 3276, 3326, 4095, 4989, 5460, 6652, 8190, 8315, 9978, 11641, 14967, 16380, 16630, 19956, 21619, 23282, 24945, 29934, 33260, 34923, 43238, 46564, 49890, 58205, 59868, 64857, 69846, 74835, 86476, 99780, 104769, 108095, 116410, 129714, 139692, 149670, 151333, 174615, 194571, 209538, 216190, 232820, 259428, 299340, 302666, 324285, 349230, 389142, 419076, 432380, 453999, 523845, 605332, 648570, 698460, 756665, 778284, 907998, 972855, 1047690, 1297140, 1361997, 1513330, 1815996, 1945710, 2095380, 2269995, 2723994, 3026660, 3891420, 4539990, 5447988, 6809985, 9079980, 13619970, 27239940]

約数ペア:

[(1, 27239940), (2, 13619970), (3, 9079980), (4, 6809985), (5, 5447988), (6, 4539990), (7, 3891420), (9, 3026660), (10, 2723994), (12, 2269995), (13, 2095380), (14, 1945710), (15, 1815996), (18, 1513330), (20, 1361997), (21, 1297140), (26, 1047690), (28, 972855), (30, 907998), (35, 778284), (36, 756665), (39, 698460), (42, 648570), (45, 605332), (52, 523845), (60, 453999), (63, 432380), (65, 419076), (70, 389142), (78, 349230), (84, 324285), (90, 302666), (91, 299340), (105, 259428), (117, 232820), (126, 216190), (130, 209538), (140, 194571), (156, 174615), (180, 151333), (182, 149670), (195, 139692), (210, 129714), (234, 116410), (252, 108095), (260, 104769), (273, 99780), (315, 86476), (364, 74835), (390, 69846), (420, 64857), (455, 59868), (468, 58205), (546, 49890), (585, 46564), (630, 43238), (780, 34923), (819, 33260), (910, 29934), (1092, 24945), (1170, 23282), (1260, 21619), (1365, 19956), (1638, 16630), (1663, 16380), (1820, 14967), (2340, 11641), (2730, 9978), (3276, 8315), (3326, 8190), (4095, 6652), (4989, 5460)]