168700140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:677

約数の個数: 216

約数和(自身を含む): 615468672

約数和(自身を除く): 446768532

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 49, 60, 62, 63, 70, 84, 90, 93, 98, 105, 124, 126, 140, 147, 155, 180, 186, 196, 210, 217, 245, 252, 279, 294, 310, 315, 372, 420, 434, 441, 465, 490, 558, 588, 617, 620, 630, 651, 735, 868, 882, 930, 980, 1085, 1116, 1234, 1260, 1302, 1395, 1470, 1519, 1764, 1851, 1860, 1953, 2170, 2205, 2468, 2604, 2790, 2940, 3038, 3085, 3255, 3702, 3906, 4319, 4340, 4410, 4557, 5553, 5580, 6076, 6170, 6510, 7404, 7595, 7812, 8638, 8820, 9114, 9255, 9765, 11106, 12340, 12957, 13020, 13671, 15190, 17276, 18228, 18510, 19127, 19530, 21595, 22212, 22785, 25914, 27342, 27765, 30233, 30380, 37020, 38254, 38871, 39060, 43190, 45570, 51828, 54684, 55530, 57381, 60466, 64785, 68355, 76508, 77742, 86380, 90699, 91140, 95635, 111060, 114762, 120932, 129570, 133889, 136710, 151165, 155484, 172143, 181398, 191270, 194355, 229524, 259140, 267778, 272097, 273420, 286905, 302330, 344286, 362796, 382540, 388710, 401667, 453495, 535556, 544194, 573810, 604660, 669445, 688572, 777420, 803334, 860715, 906990, 937223, 1088388, 1147620, 1205001, 1338890, 1360485, 1606668, 1721430, 1813980, 1874446, 2008335, 2410002, 2677780, 2720970, 2811669, 3442860, 3748892, 4016670, 4686115, 4820004, 5441940, 5623338, 6025005, 8033340, 8435007, 9372230, 11246676, 12050010, 14058345, 16870014, 18744460, 24100020, 28116690, 33740028, 42175035, 56233380, 84350070, 168700140]

約数ペア:

[(1, 168700140), (2, 84350070), (3, 56233380), (4, 42175035), (5, 33740028), (6, 28116690), (7, 24100020), (9, 18744460), (10, 16870014), (12, 14058345), (14, 12050010), (15, 11246676), (18, 9372230), (20, 8435007), (21, 8033340), (28, 6025005), (30, 5623338), (31, 5441940), (35, 4820004), (36, 4686115), (42, 4016670), (45, 3748892), (49, 3442860), (60, 2811669), (62, 2720970), (63, 2677780), (70, 2410002), (84, 2008335), (90, 1874446), (93, 1813980), (98, 1721430), (105, 1606668), (124, 1360485), (126, 1338890), (140, 1205001), (147, 1147620), (155, 1088388), (180, 937223), (186, 906990), (196, 860715), (210, 803334), (217, 777420), (245, 688572), (252, 669445), (279, 604660), (294, 573810), (310, 544194), (315, 535556), (372, 453495), (420, 401667), (434, 388710), (441, 382540), (465, 362796), (490, 344286), (558, 302330), (588, 286905), (617, 273420), (620, 272097), (630, 267778), (651, 259140), (735, 229524), (868, 194355), (882, 191270), (930, 181398), (980, 172143), (1085, 155484), (1116, 151165), (1234, 136710), (1260, 133889), (1302, 129570), (1395, 120932), (1470, 114762), (1519, 111060), (1764, 95635), (1851, 91140), (1860, 90699), (1953, 86380), (2170, 77742), (2205, 76508), (2468, 68355), (2604, 64785), (2790, 60466), (2940, 57381), (3038, 55530), (3085, 54684), (3255, 51828), (3702, 45570), (3906, 43190), (4319, 39060), (4340, 38871), (4410, 38254), (4557, 37020), (5553, 30380), (5580, 30233), (6076, 27765), (6170, 27342), (6510, 25914), (7404, 22785), (7595, 22212), (7812, 21595), (8638, 19530), (8820, 19127), (9114, 18510), (9255, 18228), (9765, 17276), (11106, 15190), (12340, 13671), (12957, 13020)]