81771300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:303

約数の個数: 216

約数和(自身を含む): 286726440

約数和(自身を除く): 204955140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 29, 30, 36, 39, 45, 50, 52, 58, 60, 65, 75, 78, 87, 90, 100, 116, 117, 130, 145, 150, 156, 174, 180, 195, 225, 234, 241, 260, 261, 290, 300, 325, 348, 377, 390, 435, 450, 468, 482, 522, 580, 585, 650, 723, 725, 754, 780, 870, 900, 964, 975, 1044, 1131, 1170, 1205, 1300, 1305, 1446, 1450, 1508, 1740, 1885, 1950, 2169, 2175, 2262, 2340, 2410, 2610, 2892, 2900, 2925, 3133, 3393, 3615, 3770, 3900, 4338, 4350, 4524, 4820, 5220, 5655, 5850, 6025, 6266, 6525, 6786, 6989, 7230, 7540, 8676, 8700, 9399, 9425, 10845, 11310, 11700, 12050, 12532, 13050, 13572, 13978, 14460, 15665, 16965, 18075, 18798, 18850, 20967, 21690, 22620, 24100, 26100, 27956, 28197, 28275, 31330, 33930, 34945, 36150, 37596, 37700, 41934, 43380, 46995, 54225, 56394, 56550, 62660, 62901, 67860, 69890, 72300, 78325, 83868, 84825, 90857, 93990, 104835, 108450, 112788, 113100, 125802, 139780, 140985, 156650, 169650, 174725, 181714, 187980, 209670, 216900, 234975, 251604, 272571, 281970, 313300, 314505, 339300, 349450, 363428, 419340, 454285, 469950, 524175, 545142, 563940, 629010, 698900, 704925, 817713, 908570, 939900, 1048350, 1090284, 1258020, 1362855, 1409850, 1572525, 1635426, 1817140, 2096700, 2271425, 2725710, 2819700, 3145050, 3270852, 4088565, 4542850, 5451420, 6290100, 6814275, 8177130, 9085700, 13628550, 16354260, 20442825, 27257100, 40885650, 81771300]

約数ペア:

[(1, 81771300), (2, 40885650), (3, 27257100), (4, 20442825), (5, 16354260), (6, 13628550), (9, 9085700), (10, 8177130), (12, 6814275), (13, 6290100), (15, 5451420), (18, 4542850), (20, 4088565), (25, 3270852), (26, 3145050), (29, 2819700), (30, 2725710), (36, 2271425), (39, 2096700), (45, 1817140), (50, 1635426), (52, 1572525), (58, 1409850), (60, 1362855), (65, 1258020), (75, 1090284), (78, 1048350), (87, 939900), (90, 908570), (100, 817713), (116, 704925), (117, 698900), (130, 629010), (145, 563940), (150, 545142), (156, 524175), (174, 469950), (180, 454285), (195, 419340), (225, 363428), (234, 349450), (241, 339300), (260, 314505), (261, 313300), (290, 281970), (300, 272571), (325, 251604), (348, 234975), (377, 216900), (390, 209670), (435, 187980), (450, 181714), (468, 174725), (482, 169650), (522, 156650), (580, 140985), (585, 139780), (650, 125802), (723, 113100), (725, 112788), (754, 108450), (780, 104835), (870, 93990), (900, 90857), (964, 84825), (975, 83868), (1044, 78325), (1131, 72300), (1170, 69890), (1205, 67860), (1300, 62901), (1305, 62660), (1446, 56550), (1450, 56394), (1508, 54225), (1740, 46995), (1885, 43380), (1950, 41934), (2169, 37700), (2175, 37596), (2262, 36150), (2340, 34945), (2410, 33930), (2610, 31330), (2892, 28275), (2900, 28197), (2925, 27956), (3133, 26100), (3393, 24100), (3615, 22620), (3770, 21690), (3900, 20967), (4338, 18850), (4350, 18798), (4524, 18075), (4820, 16965), (5220, 15665), (5655, 14460), (5850, 13978), (6025, 13572), (6266, 13050), (6525, 12532), (6786, 12050), (6989, 11700), (7230, 11310), (7540, 10845), (8676, 9425), (8700, 9399)]