221979840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7459}}^1$

素因数の和:7510

約数の個数: 112

約数和(自身を含む): 727618560

約数和(自身を除く): 505638720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 744, 930, 960, 992, 1240, 1488, 1860, 1984, 2480, 2976, 3720, 4960, 5952, 7440, 7459, 9920, 14880, 14918, 22377, 29760, 29836, 37295, 44754, 59672, 74590, 89508, 111885, 119344, 149180, 179016, 223770, 231229, 238688, 298360, 358032, 447540, 462458, 477376, 596720, 693687, 716064, 895080, 924916, 1156145, 1193440, 1387374, 1432128, 1790160, 1849832, 2312290, 2386880, 2774748, 3468435, 3580320, 3699664, 4624580, 5549496, 6936870, 7160640, 7399328, 9249160, 11098992, 13873740, 14798656, 18498320, 22197984, 27747480, 36996640, 44395968, 55494960, 73993280, 110989920, 221979840]

約数ペア:

[(1, 221979840), (2, 110989920), (3, 73993280), (4, 55494960), (5, 44395968), (6, 36996640), (8, 27747480), (10, 22197984), (12, 18498320), (15, 14798656), (16, 13873740), (20, 11098992), (24, 9249160), (30, 7399328), (31, 7160640), (32, 6936870), (40, 5549496), (48, 4624580), (60, 3699664), (62, 3580320), (64, 3468435), (80, 2774748), (93, 2386880), (96, 2312290), (120, 1849832), (124, 1790160), (155, 1432128), (160, 1387374), (186, 1193440), (192, 1156145), (240, 924916), (248, 895080), (310, 716064), (320, 693687), (372, 596720), (465, 477376), (480, 462458), (496, 447540), (620, 358032), (744, 298360), (930, 238688), (960, 231229), (992, 223770), (1240, 179016), (1488, 149180), (1860, 119344), (1984, 111885), (2480, 89508), (2976, 74590), (3720, 59672), (4960, 44754), (5952, 37295), (7440, 29836), (7459, 29760), (9920, 22377), (14880, 14918)]