217921320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:357

約数の個数: 256

約数和(自身を含む): 785203200

約数和(自身を除く): 567281880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 31, 36, 40, 45, 46, 54, 60, 62, 69, 72, 90, 92, 93, 108, 115, 120, 124, 135, 138, 155, 180, 184, 186, 207, 216, 230, 248, 270, 276, 279, 283, 310, 345, 360, 372, 414, 460, 465, 540, 552, 558, 566, 620, 621, 690, 713, 744, 828, 837, 849, 920, 930, 1035, 1080, 1116, 1132, 1240, 1242, 1380, 1395, 1415, 1426, 1656, 1674, 1698, 1860, 2070, 2139, 2232, 2264, 2484, 2547, 2760, 2790, 2830, 2852, 3105, 3348, 3396, 3565, 3720, 4140, 4185, 4245, 4278, 4968, 5094, 5580, 5660, 5704, 6210, 6417, 6509, 6696, 6792, 7130, 7641, 8280, 8370, 8490, 8556, 8773, 10188, 10695, 11160, 11320, 12420, 12735, 12834, 13018, 14260, 15282, 16740, 16980, 17112, 17546, 19251, 19527, 20376, 21390, 24840, 25470, 25668, 26036, 26319, 28520, 30564, 32085, 32545, 33480, 33960, 35092, 38205, 38502, 39054, 42780, 43865, 50940, 51336, 52072, 52638, 58581, 61128, 64170, 65090, 70184, 76410, 77004, 78108, 78957, 85560, 87730, 96255, 97635, 101880, 105276, 117162, 128340, 130180, 131595, 152820, 154008, 156216, 157914, 175460, 175743, 192510, 195270, 201779, 210552, 234324, 236871, 256680, 260360, 263190, 292905, 305640, 315828, 350920, 351486, 385020, 390540, 394785, 403558, 468648, 473742, 526380, 585810, 605337, 631656, 702972, 770040, 781080, 789570, 807116, 878715, 947484, 1008895, 1052760, 1171620, 1184355, 1210674, 1405944, 1579140, 1614232, 1757430, 1816011, 1894968, 2017790, 2343240, 2368710, 2421348, 3026685, 3158280, 3514860, 3632022, 4035580, 4737420, 4842696, 5448033, 6053370, 7029720, 7264044, 8071160, 9080055, 9474840, 10896066, 12106740, 14528088, 18160110, 21792132, 24213480, 27240165, 36320220, 43584264, 54480330, 72640440, 108960660, 217921320]

約数ペア:

[(1, 217921320), (2, 108960660), (3, 72640440), (4, 54480330), (5, 43584264), (6, 36320220), (8, 27240165), (9, 24213480), (10, 21792132), (12, 18160110), (15, 14528088), (18, 12106740), (20, 10896066), (23, 9474840), (24, 9080055), (27, 8071160), (30, 7264044), (31, 7029720), (36, 6053370), (40, 5448033), (45, 4842696), (46, 4737420), (54, 4035580), (60, 3632022), (62, 3514860), (69, 3158280), (72, 3026685), (90, 2421348), (92, 2368710), (93, 2343240), (108, 2017790), (115, 1894968), (120, 1816011), (124, 1757430), (135, 1614232), (138, 1579140), (155, 1405944), (180, 1210674), (184, 1184355), (186, 1171620), (207, 1052760), (216, 1008895), (230, 947484), (248, 878715), (270, 807116), (276, 789570), (279, 781080), (283, 770040), (310, 702972), (345, 631656), (360, 605337), (372, 585810), (414, 526380), (460, 473742), (465, 468648), (540, 403558), (552, 394785), (558, 390540), (566, 385020), (620, 351486), (621, 350920), (690, 315828), (713, 305640), (744, 292905), (828, 263190), (837, 260360), (849, 256680), (920, 236871), (930, 234324), (1035, 210552), (1080, 201779), (1116, 195270), (1132, 192510), (1240, 175743), (1242, 175460), (1380, 157914), (1395, 156216), (1415, 154008), (1426, 152820), (1656, 131595), (1674, 130180), (1698, 128340), (1860, 117162), (2070, 105276), (2139, 101880), (2232, 97635), (2264, 96255), (2484, 87730), (2547, 85560), (2760, 78957), (2790, 78108), (2830, 77004), (2852, 76410), (3105, 70184), (3348, 65090), (3396, 64170), (3565, 61128), (3720, 58581), (4140, 52638), (4185, 52072), (4245, 51336), (4278, 50940), (4968, 43865), (5094, 42780), (5580, 39054), (5660, 38502), (5704, 38205), (6210, 35092), (6417, 33960), (6509, 33480), (6696, 32545), (6792, 32085), (7130, 30564), (7641, 28520), (8280, 26319), (8370, 26036), (8490, 25668), (8556, 25470), (8773, 24840), (10188, 21390), (10695, 20376), (11160, 19527), (11320, 19251), (12420, 17546), (12735, 17112), (12834, 16980), (13018, 16740), (14260, 15282)]