21620640

素因数分解:

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

素因数の和:1502

約数の個数: 96

約数和(自身を含む): 70350336

約数和(自身を除く): 48729696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1453, 1488, 1860, 2480, 2906, 2976, 3720, 4359, 4960, 5812, 7265, 7440, 8718, 11624, 14530, 14880, 17436, 21795, 23248, 29060, 34872, 43590, 45043, 46496, 58120, 69744, 87180, 90086, 116240, 135129, 139488, 174360, 180172, 225215, 232480, 270258, 348720, 360344, 450430, 540516, 675645, 697440, 720688, 900860, 1081032, 1351290, 1441376, 1801720, 2162064, 2702580, 3603440, 4324128, 5405160, 7206880, 10810320, 21620640]

約数ペア:

[(1, 21620640), (2, 10810320), (3, 7206880), (4, 5405160), (5, 4324128), (6, 3603440), (8, 2702580), (10, 2162064), (12, 1801720), (15, 1441376), (16, 1351290), (20, 1081032), (24, 900860), (30, 720688), (31, 697440), (32, 675645), (40, 540516), (48, 450430), (60, 360344), (62, 348720), (80, 270258), (93, 232480), (96, 225215), (120, 180172), (124, 174360), (155, 139488), (160, 135129), (186, 116240), (240, 90086), (248, 87180), (310, 69744), (372, 58120), (465, 46496), (480, 45043), (496, 43590), (620, 34872), (744, 29060), (930, 23248), (992, 21795), (1240, 17436), (1453, 14880), (1488, 14530), (1860, 11624), (2480, 8718), (2906, 7440), (2976, 7265), (3720, 5812), (4359, 4960)]