64861920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1453}}^1$

素因数の和:1505

約数の個数: 144

約数和(自身を含む): 228638592

約数和(自身を除く): 163776672

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1453, 1488, 1860, 2232, 2480, 2790, 2906, 2976, 3720, 4359, 4464, 4960, 5580, 5812, 7265, 7440, 8718, 8928, 11160, 11624, 13077, 14530, 14880, 17436, 21795, 22320, 23248, 26154, 29060, 34872, 43590, 44640, 45043, 46496, 52308, 58120, 65385, 69744, 87180, 90086, 104616, 116240, 130770, 135129, 139488, 174360, 180172, 209232, 225215, 232480, 261540, 270258, 348720, 360344, 405387, 418464, 450430, 523080, 540516, 675645, 697440, 720688, 810774, 900860, 1046160, 1081032, 1351290, 1441376, 1621548, 1801720, 2026935, 2092320, 2162064, 2702580, 3243096, 3603440, 4053870, 4324128, 5405160, 6486192, 7206880, 8107740, 10810320, 12972384, 16215480, 21620640, 32430960, 64861920]

約数ペア:

[(1, 64861920), (2, 32430960), (3, 21620640), (4, 16215480), (5, 12972384), (6, 10810320), (8, 8107740), (9, 7206880), (10, 6486192), (12, 5405160), (15, 4324128), (16, 4053870), (18, 3603440), (20, 3243096), (24, 2702580), (30, 2162064), (31, 2092320), (32, 2026935), (36, 1801720), (40, 1621548), (45, 1441376), (48, 1351290), (60, 1081032), (62, 1046160), (72, 900860), (80, 810774), (90, 720688), (93, 697440), (96, 675645), (120, 540516), (124, 523080), (144, 450430), (155, 418464), (160, 405387), (180, 360344), (186, 348720), (240, 270258), (248, 261540), (279, 232480), (288, 225215), (310, 209232), (360, 180172), (372, 174360), (465, 139488), (480, 135129), (496, 130770), (558, 116240), (620, 104616), (720, 90086), (744, 87180), (930, 69744), (992, 65385), (1116, 58120), (1240, 52308), (1395, 46496), (1440, 45043), (1453, 44640), (1488, 43590), (1860, 34872), (2232, 29060), (2480, 26154), (2790, 23248), (2906, 22320), (2976, 21795), (3720, 17436), (4359, 14880), (4464, 14530), (4960, 13077), (5580, 11624), (5812, 11160), (7265, 8928), (7440, 8718)]