20997188160

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{2111}}^1$

素因数の和:2941

約数の個数: 224

約数和(自身を含む): 71918364672

約数和(自身を除く): 50921176512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 797, 832, 960, 1040, 1248, 1560, 1594, 2080, 2111, 2391, 2496, 3120, 3188, 3985, 4160, 4222, 4782, 6240, 6333, 6376, 7970, 8444, 9564, 10361, 10555, 11955, 12480, 12666, 12752, 15940, 16888, 19128, 20722, 21110, 23910, 25332, 25504, 27443, 31083, 31665, 31880, 33776, 38256, 41444, 42220, 47820, 50664, 51008, 51805, 54886, 62166, 63330, 63760, 67552, 76512, 82329, 82888, 84440, 95640, 101328, 103610, 109772, 124332, 126660, 127520, 135104, 137215, 153024, 155415, 164658, 165776, 168880, 191280, 202656, 207220, 219544, 248664, 253320, 255040, 274430, 310830, 329316, 331552, 337760, 382560, 405312, 411645, 414440, 439088, 497328, 506640, 548860, 621660, 658632, 663104, 675520, 765120, 823290, 828880, 878176, 994656, 1013280, 1097720, 1243320, 1317264, 1646580, 1657760, 1682467, 1756352, 1989312, 2026560, 2195440, 2486640, 2634528, 3293160, 3315520, 3364934, 4390880, 4973280, 5047401, 5269056, 6586320, 6729868, 8412335, 8781760, 9946560, 10094802, 13172640, 13459736, 16824670, 20189604, 21872071, 25237005, 26345280, 26919472, 33649340, 40379208, 43744142, 50474010, 53838944, 65616213, 67298680, 80758416, 87488284, 100948020, 107677888, 109360355, 131232426, 134597360, 161516832, 174976568, 201896040, 218720710, 262464852, 269194720, 323033664, 328081065, 349953136, 403792080, 437441420, 524929704, 538389440, 656162130, 699906272, 807584160, 874882840, 1049859408, 1312324260, 1399812544, 1615168320, 1749765680, 2099718816, 2624648520, 3499531360, 4199437632, 5249297040, 6999062720, 10498594080, 20997188160]

約数ペア:

[(1, 20997188160), (2, 10498594080), (3, 6999062720), (4, 5249297040), (5, 4199437632), (6, 3499531360), (8, 2624648520), (10, 2099718816), (12, 1749765680), (13, 1615168320), (15, 1399812544), (16, 1312324260), (20, 1049859408), (24, 874882840), (26, 807584160), (30, 699906272), (32, 656162130), (39, 538389440), (40, 524929704), (48, 437441420), (52, 403792080), (60, 349953136), (64, 328081065), (65, 323033664), (78, 269194720), (80, 262464852), (96, 218720710), (104, 201896040), (120, 174976568), (130, 161516832), (156, 134597360), (160, 131232426), (192, 109360355), (195, 107677888), (208, 100948020), (240, 87488284), (260, 80758416), (312, 67298680), (320, 65616213), (390, 53838944), (416, 50474010), (480, 43744142), (520, 40379208), (624, 33649340), (780, 26919472), (797, 26345280), (832, 25237005), (960, 21872071), (1040, 20189604), (1248, 16824670), (1560, 13459736), (1594, 13172640), (2080, 10094802), (2111, 9946560), (2391, 8781760), (2496, 8412335), (3120, 6729868), (3188, 6586320), (3985, 5269056), (4160, 5047401), (4222, 4973280), (4782, 4390880), (6240, 3364934), (6333, 3315520), (6376, 3293160), (7970, 2634528), (8444, 2486640), (9564, 2195440), (10361, 2026560), (10555, 1989312), (11955, 1756352), (12480, 1682467), (12666, 1657760), (12752, 1646580), (15940, 1317264), (16888, 1243320), (19128, 1097720), (20722, 1013280), (21110, 994656), (23910, 878176), (25332, 828880), (25504, 823290), (27443, 765120), (31083, 675520), (31665, 663104), (31880, 658632), (33776, 621660), (38256, 548860), (41444, 506640), (42220, 497328), (47820, 439088), (50664, 414440), (51008, 411645), (51805, 405312), (54886, 382560), (62166, 337760), (63330, 331552), (63760, 329316), (67552, 310830), (76512, 274430), (82329, 255040), (82888, 253320), (84440, 248664), (95640, 219544), (101328, 207220), (103610, 202656), (109772, 191280), (124332, 168880), (126660, 165776), (127520, 164658), (135104, 155415), (137215, 153024)]