257929560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5387}}^1$

素因数の和:5430

約数の個数: 192

約数和(自身を含む): 1008633600

約数和(自身を除く): 750704040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1330, 1368, 1596, 1710, 1995, 2280, 2394, 2520, 2660, 3192, 3420, 3990, 4788, 5320, 5387, 5985, 6840, 7980, 9576, 10774, 11970, 15960, 16161, 21548, 23940, 26935, 32322, 37709, 43096, 47880, 48483, 53870, 64644, 75418, 80805, 96966, 102353, 107740, 113127, 129288, 150836, 161610, 188545, 193932, 204706, 215480, 226254, 242415, 301672, 307059, 323220, 339381, 377090, 387864, 409412, 452508, 484830, 511765, 565635, 614118, 646440, 678762, 716471, 754180, 818824, 905016, 921177, 969660, 1023530, 1131270, 1228236, 1357524, 1432942, 1508360, 1535295, 1696905, 1842354, 1939320, 2047060, 2149413, 2262540, 2456472, 2715048, 2865884, 3070590, 3393810, 3582355, 3684708, 4094120, 4298826, 4525080, 4605885, 5731768, 6141180, 6448239, 6787620, 7164710, 7369416, 8597652, 9211770, 10747065, 12282360, 12896478, 13575240, 14329420, 17195304, 18423540, 21494130, 25792956, 28658840, 32241195, 36847080, 42988260, 51585912, 64482390, 85976520, 128964780, 257929560]

約数ペア:

[(1, 257929560), (2, 128964780), (3, 85976520), (4, 64482390), (5, 51585912), (6, 42988260), (7, 36847080), (8, 32241195), (9, 28658840), (10, 25792956), (12, 21494130), (14, 18423540), (15, 17195304), (18, 14329420), (19, 13575240), (20, 12896478), (21, 12282360), (24, 10747065), (28, 9211770), (30, 8597652), (35, 7369416), (36, 7164710), (38, 6787620), (40, 6448239), (42, 6141180), (45, 5731768), (56, 4605885), (57, 4525080), (60, 4298826), (63, 4094120), (70, 3684708), (72, 3582355), (76, 3393810), (84, 3070590), (90, 2865884), (95, 2715048), (105, 2456472), (114, 2262540), (120, 2149413), (126, 2047060), (133, 1939320), (140, 1842354), (152, 1696905), (168, 1535295), (171, 1508360), (180, 1432942), (190, 1357524), (210, 1228236), (228, 1131270), (252, 1023530), (266, 969660), (280, 921177), (285, 905016), (315, 818824), (342, 754180), (360, 716471), (380, 678762), (399, 646440), (420, 614118), (456, 565635), (504, 511765), (532, 484830), (570, 452508), (630, 409412), (665, 387864), (684, 377090), (760, 339381), (798, 323220), (840, 307059), (855, 301672), (1064, 242415), (1140, 226254), (1197, 215480), (1260, 204706), (1330, 193932), (1368, 188545), (1596, 161610), (1710, 150836), (1995, 129288), (2280, 113127), (2394, 107740), (2520, 102353), (2660, 96966), (3192, 80805), (3420, 75418), (3990, 64644), (4788, 53870), (5320, 48483), (5387, 47880), (5985, 43096), (6840, 37709), (7980, 32322), (9576, 26935), (10774, 23940), (11970, 21548), (15960, 16161)]