28025280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:323

約数の個数: 168

約数和(自身を含む): 99376992

約数和(自身を除く): 71351712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 192, 222, 240, 263, 288, 296, 320, 333, 360, 370, 444, 480, 526, 555, 576, 592, 666, 720, 740, 789, 888, 960, 1052, 1110, 1184, 1315, 1332, 1440, 1480, 1578, 1665, 1776, 2104, 2220, 2367, 2368, 2630, 2664, 2880, 2960, 3156, 3330, 3552, 3945, 4208, 4440, 4734, 5260, 5328, 5920, 6312, 6660, 7104, 7890, 8416, 8880, 9468, 9731, 10520, 10656, 11835, 11840, 12624, 13320, 15780, 16832, 17760, 18936, 19462, 21040, 21312, 23670, 25248, 26640, 29193, 31560, 35520, 37872, 38924, 42080, 47340, 48655, 50496, 53280, 58386, 63120, 75744, 77848, 84160, 87579, 94680, 97310, 106560, 116772, 126240, 145965, 151488, 155696, 175158, 189360, 194620, 233544, 252480, 291930, 311392, 350316, 378720, 389240, 437895, 467088, 583860, 622784, 700632, 757440, 778480, 875790, 934176, 1167720, 1401264, 1556960, 1751580, 1868352, 2335440, 2802528, 3113920, 3503160, 4670880, 5605056, 7006320, 9341760, 14012640, 28025280]

約数ペア:

[(1, 28025280), (2, 14012640), (3, 9341760), (4, 7006320), (5, 5605056), (6, 4670880), (8, 3503160), (9, 3113920), (10, 2802528), (12, 2335440), (15, 1868352), (16, 1751580), (18, 1556960), (20, 1401264), (24, 1167720), (30, 934176), (32, 875790), (36, 778480), (37, 757440), (40, 700632), (45, 622784), (48, 583860), (60, 467088), (64, 437895), (72, 389240), (74, 378720), (80, 350316), (90, 311392), (96, 291930), (111, 252480), (120, 233544), (144, 194620), (148, 189360), (160, 175158), (180, 155696), (185, 151488), (192, 145965), (222, 126240), (240, 116772), (263, 106560), (288, 97310), (296, 94680), (320, 87579), (333, 84160), (360, 77848), (370, 75744), (444, 63120), (480, 58386), (526, 53280), (555, 50496), (576, 48655), (592, 47340), (666, 42080), (720, 38924), (740, 37872), (789, 35520), (888, 31560), (960, 29193), (1052, 26640), (1110, 25248), (1184, 23670), (1315, 21312), (1332, 21040), (1440, 19462), (1480, 18936), (1578, 17760), (1665, 16832), (1776, 15780), (2104, 13320), (2220, 12624), (2367, 11840), (2368, 11835), (2630, 10656), (2664, 10520), (2880, 9731), (2960, 9468), (3156, 8880), (3330, 8416), (3552, 7890), (3945, 7104), (4208, 6660), (4440, 6312), (4734, 5920), (5260, 5328)]