261998527440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1327}}^1\times {\mathrm{63281}}^1$

素因数の和:64637

約数の個数: 160

約数和(自身を含む): 875344974336

約数和(自身を除く): 613346446896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1327, 1560, 2654, 3120, 3981, 5308, 6635, 7962, 10616, 13270, 15924, 17251, 19905, 21232, 26540, 31848, 34502, 39810, 51753, 53080, 63281, 63696, 69004, 79620, 86255, 103506, 106160, 126562, 138008, 159240, 172510, 189843, 207012, 253124, 258765, 276016, 316405, 318480, 345020, 379686, 414024, 506248, 517530, 632810, 690040, 759372, 822653, 828048, 949215, 1012496, 1035060, 1265620, 1380080, 1518744, 1645306, 1898430, 2070120, 2467959, 2531240, 3037488, 3290612, 3796860, 4113265, 4140240, 4935918, 5062480, 6581224, 7593720, 8226530, 9871836, 12339795, 13162448, 15187440, 16453060, 19743672, 24679590, 32906120, 39487344, 49359180, 65812240, 83973887, 98718360, 167947774, 197436720, 251921661, 335895548, 419869435, 503843322, 671791096, 839738870, 1007686644, 1091660531, 1259608305, 1343582192, 1679477740, 2015373288, 2183321062, 2519216610, 3274981593, 3358955480, 4030746576, 4366642124, 5038433220, 5458302655, 6549963186, 6717910960, 8733284248, 10076866440, 10916605310, 13099926372, 16374907965, 17466568496, 20153732880, 21833210620, 26199852744, 32749815930, 43666421240, 52399705488, 65499631860, 87332842480, 130999263720, 261998527440]

約数ペア:

[(1, 261998527440), (2, 130999263720), (3, 87332842480), (4, 65499631860), (5, 52399705488), (6, 43666421240), (8, 32749815930), (10, 26199852744), (12, 21833210620), (13, 20153732880), (15, 17466568496), (16, 16374907965), (20, 13099926372), (24, 10916605310), (26, 10076866440), (30, 8733284248), (39, 6717910960), (40, 6549963186), (48, 5458302655), (52, 5038433220), (60, 4366642124), (65, 4030746576), (78, 3358955480), (80, 3274981593), (104, 2519216610), (120, 2183321062), (130, 2015373288), (156, 1679477740), (195, 1343582192), (208, 1259608305), (240, 1091660531), (260, 1007686644), (312, 839738870), (390, 671791096), (520, 503843322), (624, 419869435), (780, 335895548), (1040, 251921661), (1327, 197436720), (1560, 167947774), (2654, 98718360), (3120, 83973887), (3981, 65812240), (5308, 49359180), (6635, 39487344), (7962, 32906120), (10616, 24679590), (13270, 19743672), (15924, 16453060), (17251, 15187440), (19905, 13162448), (21232, 12339795), (26540, 9871836), (31848, 8226530), (34502, 7593720), (39810, 6581224), (51753, 5062480), (53080, 4935918), (63281, 4140240), (63696, 4113265), (69004, 3796860), (79620, 3290612), (86255, 3037488), (103506, 2531240), (106160, 2467959), (126562, 2070120), (138008, 1898430), (159240, 1645306), (172510, 1518744), (189843, 1380080), (207012, 1265620), (253124, 1035060), (258765, 1012496), (276016, 949215), (316405, 828048), (318480, 822653), (345020, 759372), (379686, 690040), (414024, 632810), (506248, 517530)]