1911525280

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:668

約数の個数: 192

約数和(自身を含む): 5362156800

約数和(自身を除く): 3450631520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 140, 160, 196, 224, 244, 245, 280, 305, 343, 392, 427, 488, 490, 560, 571, 610, 686, 784, 854, 976, 980, 1120, 1142, 1220, 1372, 1568, 1708, 1715, 1952, 1960, 2135, 2284, 2440, 2744, 2855, 2989, 3416, 3430, 3920, 3997, 4270, 4568, 4880, 5488, 5710, 5978, 6832, 6860, 7840, 7994, 8540, 9136, 9760, 10976, 11420, 11956, 13664, 13720, 14945, 15988, 17080, 18272, 19985, 20923, 22840, 23912, 27440, 27979, 29890, 31976, 34160, 34831, 39970, 41846, 45680, 47824, 54880, 55958, 59780, 63952, 68320, 69662, 79940, 83692, 91360, 95648, 104615, 111916, 119560, 127904, 139324, 139895, 159880, 167384, 174155, 195853, 209230, 223832, 239120, 243817, 278648, 279790, 319760, 334768, 348310, 391706, 418460, 447664, 478240, 487634, 557296, 559580, 639520, 669536, 696620, 783412, 836920, 895328, 975268, 979265, 1114592, 1119160, 1219085, 1393240, 1566824, 1673840, 1706719, 1950536, 1958530, 2238320, 2438170, 2786480, 3133648, 3347680, 3413438, 3901072, 3917060, 4476640, 4876340, 5572960, 6267296, 6826876, 7802144, 7834120, 8533595, 9752680, 11947033, 13653752, 15668240, 17067190, 19505360, 23894066, 27307504, 31336480, 34134380, 39010720, 47788132, 54615008, 59735165, 68268760, 95576264, 119470330, 136537520, 191152528, 238940660, 273075040, 382305056, 477881320, 955762640, 1911525280]

約数ペア:

[(1, 1911525280), (2, 955762640), (4, 477881320), (5, 382305056), (7, 273075040), (8, 238940660), (10, 191152528), (14, 136537520), (16, 119470330), (20, 95576264), (28, 68268760), (32, 59735165), (35, 54615008), (40, 47788132), (49, 39010720), (56, 34134380), (61, 31336480), (70, 27307504), (80, 23894066), (98, 19505360), (112, 17067190), (122, 15668240), (140, 13653752), (160, 11947033), (196, 9752680), (224, 8533595), (244, 7834120), (245, 7802144), (280, 6826876), (305, 6267296), (343, 5572960), (392, 4876340), (427, 4476640), (488, 3917060), (490, 3901072), (560, 3413438), (571, 3347680), (610, 3133648), (686, 2786480), (784, 2438170), (854, 2238320), (976, 1958530), (980, 1950536), (1120, 1706719), (1142, 1673840), (1220, 1566824), (1372, 1393240), (1568, 1219085), (1708, 1119160), (1715, 1114592), (1952, 979265), (1960, 975268), (2135, 895328), (2284, 836920), (2440, 783412), (2744, 696620), (2855, 669536), (2989, 639520), (3416, 559580), (3430, 557296), (3920, 487634), (3997, 478240), (4270, 447664), (4568, 418460), (4880, 391706), (5488, 348310), (5710, 334768), (5978, 319760), (6832, 279790), (6860, 278648), (7840, 243817), (7994, 239120), (8540, 223832), (9136, 209230), (9760, 195853), (10976, 174155), (11420, 167384), (11956, 159880), (13664, 139895), (13720, 139324), (14945, 127904), (15988, 119560), (17080, 111916), (18272, 104615), (19985, 95648), (20923, 91360), (22840, 83692), (23912, 79940), (27440, 69662), (27979, 68320), (29890, 63952), (31976, 59780), (34160, 55958), (34831, 54880), (39970, 47824), (41846, 45680)]