22721760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:561

約数の個数: 144

約数和(自身を含む): 80196480

約数和(自身を除く): 57474720

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, 509, 558, 620, 720, 744, 930, 992, 1018, 1116, 1240, 1395, 1440, 1488, 1527, 1860, 2036, 2232, 2480, 2545, 2790, 2976, 3054, 3720, 4072, 4464, 4581, 4960, 5090, 5580, 6108, 7440, 7635, 8144, 8928, 9162, 10180, 11160, 12216, 14880, 15270, 15779, 16288, 18324, 20360, 22320, 22905, 24432, 30540, 31558, 36648, 40720, 44640, 45810, 47337, 48864, 61080, 63116, 73296, 78895, 81440, 91620, 94674, 122160, 126232, 142011, 146592, 157790, 183240, 189348, 236685, 244320, 252464, 284022, 315580, 366480, 378696, 473370, 504928, 568044, 631160, 710055, 732960, 757392, 946740, 1136088, 1262320, 1420110, 1514784, 1893480, 2272176, 2524640, 2840220, 3786960, 4544352, 5680440, 7573920, 11360880, 22721760]

約数ペア:

[(1, 22721760), (2, 11360880), (3, 7573920), (4, 5680440), (5, 4544352), (6, 3786960), (8, 2840220), (9, 2524640), (10, 2272176), (12, 1893480), (15, 1514784), (16, 1420110), (18, 1262320), (20, 1136088), (24, 946740), (30, 757392), (31, 732960), (32, 710055), (36, 631160), (40, 568044), (45, 504928), (48, 473370), (60, 378696), (62, 366480), (72, 315580), (80, 284022), (90, 252464), (93, 244320), (96, 236685), (120, 189348), (124, 183240), (144, 157790), (155, 146592), (160, 142011), (180, 126232), (186, 122160), (240, 94674), (248, 91620), (279, 81440), (288, 78895), (310, 73296), (360, 63116), (372, 61080), (465, 48864), (480, 47337), (496, 45810), (509, 44640), (558, 40720), (620, 36648), (720, 31558), (744, 30540), (930, 24432), (992, 22905), (1018, 22320), (1116, 20360), (1240, 18324), (1395, 16288), (1440, 15779), (1488, 15270), (1527, 14880), (1860, 12216), (2036, 11160), (2232, 10180), (2480, 9162), (2545, 8928), (2790, 8144), (2976, 7635), (3054, 7440), (3720, 6108), (4072, 5580), (4464, 5090), (4581, 4960)]