181589940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4649}}^1$

素因数の和:4702

約数の個数: 144

約数和(自身を含む): 649958400

約数和(自身を除く): 468368460

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, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 4649, 5580, 6510, 7812, 9298, 9765, 13020, 13947, 18596, 19530, 23245, 27894, 32543, 39060, 41841, 46490, 55788, 65086, 69735, 83682, 92980, 97629, 130172, 139470, 144119, 162715, 167364, 195258, 209205, 278940, 288238, 292887, 325430, 390516, 418410, 432357, 488145, 576476, 585774, 650860, 720595, 836820, 864714, 976290, 1008833, 1171548, 1297071, 1441190, 1464435, 1729428, 1952580, 2017666, 2161785, 2594142, 2882380, 2928870, 3026499, 4035332, 4323570, 5044165, 5188284, 5857740, 6052998, 6485355, 8647140, 9079497, 10088330, 12105996, 12970710, 15132495, 18158994, 20176660, 25941420, 30264990, 36317988, 45397485, 60529980, 90794970, 181589940]

約数ペア:

[(1, 181589940), (2, 90794970), (3, 60529980), (4, 45397485), (5, 36317988), (6, 30264990), (7, 25941420), (9, 20176660), (10, 18158994), (12, 15132495), (14, 12970710), (15, 12105996), (18, 10088330), (20, 9079497), (21, 8647140), (28, 6485355), (30, 6052998), (31, 5857740), (35, 5188284), (36, 5044165), (42, 4323570), (45, 4035332), (60, 3026499), (62, 2928870), (63, 2882380), (70, 2594142), (84, 2161785), (90, 2017666), (93, 1952580), (105, 1729428), (124, 1464435), (126, 1441190), (140, 1297071), (155, 1171548), (180, 1008833), (186, 976290), (210, 864714), (217, 836820), (252, 720595), (279, 650860), (310, 585774), (315, 576476), (372, 488145), (420, 432357), (434, 418410), (465, 390516), (558, 325430), (620, 292887), (630, 288238), (651, 278940), (868, 209205), (930, 195258), (1085, 167364), (1116, 162715), (1260, 144119), (1302, 139470), (1395, 130172), (1860, 97629), (1953, 92980), (2170, 83682), (2604, 69735), (2790, 65086), (3255, 55788), (3906, 46490), (4340, 41841), (4649, 39060), (5580, 32543), (6510, 27894), (7812, 23245), (9298, 19530), (9765, 18596), (13020, 13947)]