161988330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:364

約数の個数: 128

約数和(自身を含む): 464486400

約数和(自身を除く): 302498070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 149, 155, 167, 186, 210, 217, 298, 310, 334, 434, 447, 465, 501, 651, 745, 835, 894, 930, 1002, 1043, 1085, 1169, 1302, 1490, 1670, 2086, 2170, 2235, 2338, 2505, 3129, 3255, 3507, 4470, 4619, 5010, 5177, 5215, 5845, 6258, 6510, 7014, 9238, 10354, 10430, 11690, 13857, 15531, 15645, 17535, 23095, 24883, 25885, 27714, 31062, 31290, 32333, 35070, 36239, 46190, 49766, 51770, 64666, 69285, 72478, 74649, 77655, 96999, 108717, 124415, 138570, 149298, 155310, 161665, 174181, 181195, 193998, 217434, 248830, 323330, 348362, 362390, 373245, 484995, 522543, 543585, 746490, 771373, 870905, 969990, 1045086, 1087170, 1542746, 1741810, 2314119, 2612715, 3856865, 4628238, 5225430, 5399611, 7713730, 10799222, 11570595, 16198833, 23141190, 26998055, 32397666, 53996110, 80994165, 161988330]

約数ペア:

[(1, 161988330), (2, 80994165), (3, 53996110), (5, 32397666), (6, 26998055), (7, 23141190), (10, 16198833), (14, 11570595), (15, 10799222), (21, 7713730), (30, 5399611), (31, 5225430), (35, 4628238), (42, 3856865), (62, 2612715), (70, 2314119), (93, 1741810), (105, 1542746), (149, 1087170), (155, 1045086), (167, 969990), (186, 870905), (210, 771373), (217, 746490), (298, 543585), (310, 522543), (334, 484995), (434, 373245), (447, 362390), (465, 348362), (501, 323330), (651, 248830), (745, 217434), (835, 193998), (894, 181195), (930, 174181), (1002, 161665), (1043, 155310), (1085, 149298), (1169, 138570), (1302, 124415), (1490, 108717), (1670, 96999), (2086, 77655), (2170, 74649), (2235, 72478), (2338, 69285), (2505, 64666), (3129, 51770), (3255, 49766), (3507, 46190), (4470, 36239), (4619, 35070), (5010, 32333), (5177, 31290), (5215, 31062), (5845, 27714), (6258, 25885), (6510, 24883), (7014, 23095), (9238, 17535), (10354, 15645), (10430, 15531), (11690, 13857)]