661556160

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{25523}}^1$

素因数の和:25552

約数の個数: 140

約数和(自身を含む): 2353363848

約数和(自身を除く): 1691807688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12960, 25523, 25920, 51046, 76569, 102092, 127615, 153138, 204184, 229707, 255230, 306276, 382845, 408368, 459414, 510460, 612552, 689121, 765690, 816736, 918828, 1020920, 1148535, 1225104, 1378242, 1531380, 1633472, 1837656, 2041840, 2067363, 2297070, 2450208, 2756484, 3062760, 3445605, 3675312, 4083680, 4134726, 4594140, 4900416, 5512968, 6125520, 6891210, 7350624, 8167360, 8269452, 9188280, 10336815, 11025936, 12251040, 13782420, 14701248, 16538904, 18376560, 20673630, 22051872, 24502080, 27564840, 33077808, 36753120, 41347260, 44103744, 55129680, 66155616, 73506240, 82694520, 110259360, 132311232, 165389040, 220518720, 330778080, 661556160]

約数ペア:

[(1, 661556160), (2, 330778080), (3, 220518720), (4, 165389040), (5, 132311232), (6, 110259360), (8, 82694520), (9, 73506240), (10, 66155616), (12, 55129680), (15, 44103744), (16, 41347260), (18, 36753120), (20, 33077808), (24, 27564840), (27, 24502080), (30, 22051872), (32, 20673630), (36, 18376560), (40, 16538904), (45, 14701248), (48, 13782420), (54, 12251040), (60, 11025936), (64, 10336815), (72, 9188280), (80, 8269452), (81, 8167360), (90, 7350624), (96, 6891210), (108, 6125520), (120, 5512968), (135, 4900416), (144, 4594140), (160, 4134726), (162, 4083680), (180, 3675312), (192, 3445605), (216, 3062760), (240, 2756484), (270, 2450208), (288, 2297070), (320, 2067363), (324, 2041840), (360, 1837656), (405, 1633472), (432, 1531380), (480, 1378242), (540, 1225104), (576, 1148535), (648, 1020920), (720, 918828), (810, 816736), (864, 765690), (960, 689121), (1080, 612552), (1296, 510460), (1440, 459414), (1620, 408368), (1728, 382845), (2160, 306276), (2592, 255230), (2880, 229707), (3240, 204184), (4320, 153138), (5184, 127615), (6480, 102092), (8640, 76569), (12960, 51046), (25523, 25920)]