254992920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1282

約数の個数: 256

約数和(自身を含む): 991872000

約数和(自身を除く): 736879080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 665, 728, 741, 760, 780, 798, 840, 910, 988, 1064, 1092, 1140, 1229, 1235, 1330, 1365, 1482, 1560, 1596, 1729, 1820, 1976, 1995, 2184, 2280, 2458, 2470, 2660, 2730, 2964, 3192, 3458, 3640, 3687, 3705, 3990, 4916, 4940, 5187, 5320, 5460, 5928, 6145, 6916, 7374, 7410, 7980, 8603, 8645, 9832, 9880, 10374, 10920, 12290, 13832, 14748, 14820, 15960, 15977, 17206, 17290, 18435, 20748, 23351, 24580, 25809, 25935, 29496, 29640, 31954, 34412, 34580, 36870, 41496, 43015, 46702, 47931, 49160, 51618, 51870, 63908, 68824, 69160, 70053, 73740, 79885, 86030, 93404, 95862, 103236, 103740, 111839, 116755, 127816, 129045, 140106, 147480, 159770, 163457, 172060, 186808, 191724, 206472, 207480, 223678, 233510, 239655, 258090, 280212, 303563, 319540, 326914, 335517, 344120, 350265, 383448, 447356, 467020, 479310, 490371, 516180, 559195, 560424, 607126, 639080, 653828, 671034, 700530, 817285, 894712, 910689, 934040, 958620, 980742, 1032360, 1118390, 1214252, 1307656, 1342068, 1401060, 1517815, 1634570, 1677585, 1821378, 1917240, 1961484, 2124941, 2236780, 2428504, 2451855, 2684136, 2802120, 3035630, 3269140, 3355170, 3642756, 3922968, 4249882, 4473560, 4553445, 4903710, 6071260, 6374823, 6538280, 6710340, 7285512, 8499764, 9106890, 9807420, 10624705, 12142520, 12749646, 13420680, 16999528, 18213780, 19614840, 21249410, 25499292, 31874115, 36427560, 42498820, 50998584, 63748230, 84997640, 127496460, 254992920]

約数ペア:

[(1, 254992920), (2, 127496460), (3, 84997640), (4, 63748230), (5, 50998584), (6, 42498820), (7, 36427560), (8, 31874115), (10, 25499292), (12, 21249410), (13, 19614840), (14, 18213780), (15, 16999528), (19, 13420680), (20, 12749646), (21, 12142520), (24, 10624705), (26, 9807420), (28, 9106890), (30, 8499764), (35, 7285512), (38, 6710340), (39, 6538280), (40, 6374823), (42, 6071260), (52, 4903710), (56, 4553445), (57, 4473560), (60, 4249882), (65, 3922968), (70, 3642756), (76, 3355170), (78, 3269140), (84, 3035630), (91, 2802120), (95, 2684136), (104, 2451855), (105, 2428504), (114, 2236780), (120, 2124941), (130, 1961484), (133, 1917240), (140, 1821378), (152, 1677585), (156, 1634570), (168, 1517815), (182, 1401060), (190, 1342068), (195, 1307656), (210, 1214252), (228, 1118390), (247, 1032360), (260, 980742), (266, 958620), (273, 934040), (280, 910689), (285, 894712), (312, 817285), (364, 700530), (380, 671034), (390, 653828), (399, 639080), (420, 607126), (455, 560424), (456, 559195), (494, 516180), (520, 490371), (532, 479310), (546, 467020), (570, 447356), (665, 383448), (728, 350265), (741, 344120), (760, 335517), (780, 326914), (798, 319540), (840, 303563), (910, 280212), (988, 258090), (1064, 239655), (1092, 233510), (1140, 223678), (1229, 207480), (1235, 206472), (1330, 191724), (1365, 186808), (1482, 172060), (1560, 163457), (1596, 159770), (1729, 147480), (1820, 140106), (1976, 129045), (1995, 127816), (2184, 116755), (2280, 111839), (2458, 103740), (2470, 103236), (2660, 95862), (2730, 93404), (2964, 86030), (3192, 79885), (3458, 73740), (3640, 70053), (3687, 69160), (3705, 68824), (3990, 63908), (4916, 51870), (4940, 51618), (5187, 49160), (5320, 47931), (5460, 46702), (5928, 43015), (6145, 41496), (6916, 36870), (7374, 34580), (7410, 34412), (7980, 31954), (8603, 29640), (8645, 29496), (9832, 25935), (9880, 25809), (10374, 24580), (10920, 23351), (12290, 20748), (13832, 18435), (14748, 17290), (14820, 17206), (15960, 15977)]