255631320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:343

約数の個数: 288

約数和(自身を含む): 1005657120

約数和(自身を除く): 750025800

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, 281, 285, 315, 342, 360, 361, 380, 399, 420, 456, 504, 532, 562, 570, 630, 665, 684, 722, 760, 798, 840, 843, 855, 1064, 1083, 1124, 1140, 1197, 1260, 1330, 1368, 1405, 1444, 1596, 1686, 1710, 1805, 1967, 1995, 2166, 2248, 2280, 2394, 2520, 2527, 2529, 2660, 2810, 2888, 3192, 3249, 3372, 3420, 3610, 3934, 3990, 4215, 4332, 4788, 5054, 5058, 5320, 5339, 5415, 5620, 5901, 5985, 6498, 6744, 6840, 7220, 7581, 7868, 7980, 8430, 8664, 9576, 9835, 10108, 10116, 10678, 10830, 11240, 11802, 11970, 12635, 12645, 12996, 14440, 15162, 15736, 15960, 16017, 16245, 16860, 17703, 19670, 20216, 20232, 21356, 21660, 22743, 23604, 23940, 25270, 25290, 25992, 26695, 29505, 30324, 32034, 32490, 33720, 35406, 37373, 37905, 39340, 42712, 43320, 45486, 47208, 47880, 48051, 50540, 50580, 53390, 59010, 60648, 64068, 64980, 70812, 74746, 75810, 78680, 80085, 88515, 90972, 96102, 101080, 101160, 101441, 106780, 112119, 113715, 118020, 128136, 129960, 141624, 149492, 151620, 160170, 177030, 181944, 186865, 192204, 202882, 213560, 224238, 227430, 236040, 240255, 298984, 303240, 304323, 320340, 336357, 354060, 373730, 384408, 405764, 448476, 454860, 480510, 507205, 560595, 608646, 640680, 672714, 708120, 710087, 747460, 811528, 896952, 909720, 912969, 961020, 1014410, 1121190, 1217292, 1345428, 1420174, 1494920, 1521615, 1681785, 1825938, 1922040, 2028820, 2130261, 2242380, 2434584, 2690856, 2840348, 3043230, 3363570, 3550435, 3651876, 4057640, 4260522, 4484760, 4564845, 5680696, 6086460, 6390783, 6727140, 7100870, 7303752, 8521044, 9129690, 10651305, 12172920, 12781566, 13454280, 14201740, 17042088, 18259380, 21302610, 25563132, 28403480, 31953915, 36518760, 42605220, 51126264, 63907830, 85210440, 127815660, 255631320]

約数ペア:

[(1, 255631320), (2, 127815660), (3, 85210440), (4, 63907830), (5, 51126264), (6, 42605220), (7, 36518760), (8, 31953915), (9, 28403480), (10, 25563132), (12, 21302610), (14, 18259380), (15, 17042088), (18, 14201740), (19, 13454280), (20, 12781566), (21, 12172920), (24, 10651305), (28, 9129690), (30, 8521044), (35, 7303752), (36, 7100870), (38, 6727140), (40, 6390783), (42, 6086460), (45, 5680696), (56, 4564845), (57, 4484760), (60, 4260522), (63, 4057640), (70, 3651876), (72, 3550435), (76, 3363570), (84, 3043230), (90, 2840348), (95, 2690856), (105, 2434584), (114, 2242380), (120, 2130261), (126, 2028820), (133, 1922040), (140, 1825938), (152, 1681785), (168, 1521615), (171, 1494920), (180, 1420174), (190, 1345428), (210, 1217292), (228, 1121190), (252, 1014410), (266, 961020), (280, 912969), (281, 909720), (285, 896952), (315, 811528), (342, 747460), (360, 710087), (361, 708120), (380, 672714), (399, 640680), (420, 608646), (456, 560595), (504, 507205), (532, 480510), (562, 454860), (570, 448476), (630, 405764), (665, 384408), (684, 373730), (722, 354060), (760, 336357), (798, 320340), (840, 304323), (843, 303240), (855, 298984), (1064, 240255), (1083, 236040), (1124, 227430), (1140, 224238), (1197, 213560), (1260, 202882), (1330, 192204), (1368, 186865), (1405, 181944), (1444, 177030), (1596, 160170), (1686, 151620), (1710, 149492), (1805, 141624), (1967, 129960), (1995, 128136), (2166, 118020), (2248, 113715), (2280, 112119), (2394, 106780), (2520, 101441), (2527, 101160), (2529, 101080), (2660, 96102), (2810, 90972), (2888, 88515), (3192, 80085), (3249, 78680), (3372, 75810), (3420, 74746), (3610, 70812), (3934, 64980), (3990, 64068), (4215, 60648), (4332, 59010), (4788, 53390), (5054, 50580), (5058, 50540), (5320, 48051), (5339, 47880), (5415, 47208), (5620, 45486), (5901, 43320), (5985, 42712), (6498, 39340), (6744, 37905), (6840, 37373), (7220, 35406), (7581, 33720), (7868, 32490), (7980, 32034), (8430, 30324), (8664, 29505), (9576, 26695), (9835, 25992), (10108, 25290), (10116, 25270), (10678, 23940), (10830, 23604), (11240, 22743), (11802, 21660), (11970, 21356), (12635, 20232), (12645, 20216), (12996, 19670), (14440, 17703), (15162, 16860), (15736, 16245), (15960, 16017)]