215997840

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:340

約数の個数: 240

約数和(自身を含む): 773450496

約数和(自身を除く): 557452656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 41, 45, 48, 54, 60, 72, 80, 81, 82, 90, 108, 120, 123, 135, 144, 162, 164, 180, 205, 216, 240, 243, 246, 270, 271, 324, 328, 360, 369, 405, 410, 432, 486, 492, 540, 542, 615, 648, 656, 720, 738, 810, 813, 820, 972, 984, 1080, 1084, 1107, 1215, 1230, 1296, 1355, 1476, 1620, 1626, 1640, 1845, 1944, 1968, 2160, 2168, 2214, 2430, 2439, 2460, 2710, 2952, 3240, 3252, 3280, 3321, 3690, 3888, 4065, 4336, 4428, 4860, 4878, 4920, 5420, 5535, 5904, 6480, 6504, 6642, 7317, 7380, 8130, 8856, 9720, 9756, 9840, 9963, 10840, 11070, 11111, 12195, 13008, 13284, 14634, 14760, 16260, 16605, 17712, 19440, 19512, 19926, 21680, 21951, 22140, 22222, 24390, 26568, 29268, 29520, 32520, 33210, 33333, 36585, 39024, 39852, 43902, 44280, 44444, 48780, 49815, 53136, 55555, 58536, 65040, 65853, 66420, 66666, 73170, 79704, 87804, 88560, 88888, 97560, 99630, 99999, 109755, 111110, 117072, 131706, 132840, 133332, 146340, 159408, 166665, 175608, 177776, 195120, 199260, 199998, 219510, 222220, 263412, 265680, 266664, 292680, 299997, 329265, 333330, 351216, 398520, 399996, 439020, 444440, 499995, 526824, 533328, 585360, 599994, 658530, 666660, 797040, 799992, 878040, 888880, 899991, 999990, 1053648, 1199988, 1317060, 1333320, 1499985, 1599984, 1756080, 1799982, 1999980, 2399976, 2634120, 2666640, 2699973, 2999970, 3599964, 3999960, 4499955, 4799952, 5268240, 5399946, 5999940, 7199928, 7999920, 8999910, 10799892, 11999880, 13499865, 14399856, 17999820, 21599784, 23999760, 26999730, 35999640, 43199568, 53999460, 71999280, 107998920, 215997840]

約数ペア:

[(1, 215997840), (2, 107998920), (3, 71999280), (4, 53999460), (5, 43199568), (6, 35999640), (8, 26999730), (9, 23999760), (10, 21599784), (12, 17999820), (15, 14399856), (16, 13499865), (18, 11999880), (20, 10799892), (24, 8999910), (27, 7999920), (30, 7199928), (36, 5999940), (40, 5399946), (41, 5268240), (45, 4799952), (48, 4499955), (54, 3999960), (60, 3599964), (72, 2999970), (80, 2699973), (81, 2666640), (82, 2634120), (90, 2399976), (108, 1999980), (120, 1799982), (123, 1756080), (135, 1599984), (144, 1499985), (162, 1333320), (164, 1317060), (180, 1199988), (205, 1053648), (216, 999990), (240, 899991), (243, 888880), (246, 878040), (270, 799992), (271, 797040), (324, 666660), (328, 658530), (360, 599994), (369, 585360), (405, 533328), (410, 526824), (432, 499995), (486, 444440), (492, 439020), (540, 399996), (542, 398520), (615, 351216), (648, 333330), (656, 329265), (720, 299997), (738, 292680), (810, 266664), (813, 265680), (820, 263412), (972, 222220), (984, 219510), (1080, 199998), (1084, 199260), (1107, 195120), (1215, 177776), (1230, 175608), (1296, 166665), (1355, 159408), (1476, 146340), (1620, 133332), (1626, 132840), (1640, 131706), (1845, 117072), (1944, 111110), (1968, 109755), (2160, 99999), (2168, 99630), (2214, 97560), (2430, 88888), (2439, 88560), (2460, 87804), (2710, 79704), (2952, 73170), (3240, 66666), (3252, 66420), (3280, 65853), (3321, 65040), (3690, 58536), (3888, 55555), (4065, 53136), (4336, 49815), (4428, 48780), (4860, 44444), (4878, 44280), (4920, 43902), (5420, 39852), (5535, 39024), (5904, 36585), (6480, 33333), (6504, 33210), (6642, 32520), (7317, 29520), (7380, 29268), (8130, 26568), (8856, 24390), (9720, 22222), (9756, 22140), (9840, 21951), (9963, 21680), (10840, 19926), (11070, 19512), (11111, 19440), (12195, 17712), (13008, 16605), (13284, 16260), (14634, 14760)]