678981840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{347}}^1$

素因数の和:657

約数の個数: 160

約数和(自身を含む): 2187288576

約数和(自身を除く): 1508306736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 263, 310, 347, 372, 465, 496, 526, 620, 694, 744, 789, 930, 1041, 1052, 1240, 1315, 1388, 1488, 1578, 1735, 1860, 2082, 2104, 2480, 2630, 2776, 3156, 3470, 3720, 3945, 4164, 4208, 5205, 5260, 5552, 6312, 6940, 7440, 7890, 8153, 8328, 10410, 10520, 10757, 12624, 13880, 15780, 16306, 16656, 20820, 21040, 21514, 24459, 27760, 31560, 32271, 32612, 40765, 41640, 43028, 48918, 53785, 63120, 64542, 65224, 81530, 83280, 86056, 91261, 97836, 107570, 122295, 129084, 130448, 161355, 163060, 172112, 182522, 195672, 215140, 244590, 258168, 273783, 322710, 326120, 365044, 391344, 430280, 456305, 489180, 516336, 547566, 645420, 652240, 730088, 860560, 912610, 978360, 1095132, 1290840, 1368915, 1460176, 1825220, 1956720, 2190264, 2581680, 2737830, 2829091, 3650440, 4380528, 5475660, 5658182, 7300880, 8487273, 10951320, 11316364, 14145455, 16974546, 21902640, 22632728, 28290910, 33949092, 42436365, 45265456, 56581820, 67898184, 84872730, 113163640, 135796368, 169745460, 226327280, 339490920, 678981840]

約数ペア:

[(1, 678981840), (2, 339490920), (3, 226327280), (4, 169745460), (5, 135796368), (6, 113163640), (8, 84872730), (10, 67898184), (12, 56581820), (15, 45265456), (16, 42436365), (20, 33949092), (24, 28290910), (30, 22632728), (31, 21902640), (40, 16974546), (48, 14145455), (60, 11316364), (62, 10951320), (80, 8487273), (93, 7300880), (120, 5658182), (124, 5475660), (155, 4380528), (186, 3650440), (240, 2829091), (248, 2737830), (263, 2581680), (310, 2190264), (347, 1956720), (372, 1825220), (465, 1460176), (496, 1368915), (526, 1290840), (620, 1095132), (694, 978360), (744, 912610), (789, 860560), (930, 730088), (1041, 652240), (1052, 645420), (1240, 547566), (1315, 516336), (1388, 489180), (1488, 456305), (1578, 430280), (1735, 391344), (1860, 365044), (2082, 326120), (2104, 322710), (2480, 273783), (2630, 258168), (2776, 244590), (3156, 215140), (3470, 195672), (3720, 182522), (3945, 172112), (4164, 163060), (4208, 161355), (5205, 130448), (5260, 129084), (5552, 122295), (6312, 107570), (6940, 97836), (7440, 91261), (7890, 86056), (8153, 83280), (8328, 81530), (10410, 65224), (10520, 64542), (10757, 63120), (12624, 53785), (13880, 48918), (15780, 43028), (16306, 41640), (16656, 40765), (20820, 32612), (21040, 32271), (21514, 31560), (24459, 27760)]