251633340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 288

約数和(自身を含む): 960261120

約数和(自身を除く): 708627780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 23, 28, 30, 35, 36, 38, 42, 45, 46, 57, 60, 63, 69, 70, 76, 84, 90, 92, 95, 105, 114, 115, 126, 133, 138, 140, 161, 171, 180, 190, 207, 210, 228, 230, 252, 266, 276, 285, 315, 322, 342, 345, 380, 399, 414, 420, 437, 457, 460, 483, 532, 570, 630, 644, 665, 684, 690, 798, 805, 828, 855, 874, 914, 966, 1035, 1140, 1197, 1260, 1311, 1330, 1371, 1380, 1449, 1596, 1610, 1710, 1748, 1828, 1932, 1995, 2070, 2185, 2285, 2394, 2415, 2622, 2660, 2742, 2898, 3059, 3199, 3220, 3420, 3933, 3990, 4113, 4140, 4370, 4570, 4788, 4830, 5244, 5484, 5796, 5985, 6118, 6398, 6555, 6855, 7245, 7866, 7980, 8226, 8683, 8740, 9140, 9177, 9597, 9660, 10511, 11970, 12236, 12796, 13110, 13710, 14490, 15295, 15732, 15995, 16452, 17366, 18354, 19194, 19665, 20565, 21022, 23940, 26049, 26220, 27420, 27531, 28791, 28980, 30590, 31533, 31990, 34732, 36708, 38388, 39330, 41130, 42044, 43415, 45885, 47985, 52098, 52555, 55062, 57582, 60781, 61180, 63066, 63980, 73577, 78147, 78660, 82260, 86830, 91770, 94599, 95970, 104196, 105110, 110124, 115164, 121562, 126132, 130245, 137655, 143955, 147154, 156294, 157665, 173660, 182343, 183540, 189198, 191940, 199709, 210220, 220731, 243124, 260490, 275310, 287910, 294308, 303905, 312588, 315330, 364686, 367885, 378396, 390735, 399418, 441462, 472995, 520980, 547029, 550620, 575820, 599127, 607810, 630660, 662193, 729372, 735770, 781470, 798836, 882924, 911715, 945990, 998545, 1094058, 1103655, 1198254, 1215620, 1324386, 1397963, 1471540, 1562940, 1797381, 1823430, 1891980, 1997090, 2188116, 2207310, 2396508, 2648772, 2735145, 2795926, 2995635, 3310965, 3594762, 3646860, 3994180, 4193889, 4414620, 5470290, 5591852, 5991270, 6621930, 6989815, 7189524, 8387778, 8986905, 10940580, 11982540, 12581667, 13243860, 13979630, 16775556, 17973810, 20969445, 25163334, 27959260, 35947620, 41938890, 50326668, 62908335, 83877780, 125816670, 251633340]

約数ペア:

[(1, 251633340), (2, 125816670), (3, 83877780), (4, 62908335), (5, 50326668), (6, 41938890), (7, 35947620), (9, 27959260), (10, 25163334), (12, 20969445), (14, 17973810), (15, 16775556), (18, 13979630), (19, 13243860), (20, 12581667), (21, 11982540), (23, 10940580), (28, 8986905), (30, 8387778), (35, 7189524), (36, 6989815), (38, 6621930), (42, 5991270), (45, 5591852), (46, 5470290), (57, 4414620), (60, 4193889), (63, 3994180), (69, 3646860), (70, 3594762), (76, 3310965), (84, 2995635), (90, 2795926), (92, 2735145), (95, 2648772), (105, 2396508), (114, 2207310), (115, 2188116), (126, 1997090), (133, 1891980), (138, 1823430), (140, 1797381), (161, 1562940), (171, 1471540), (180, 1397963), (190, 1324386), (207, 1215620), (210, 1198254), (228, 1103655), (230, 1094058), (252, 998545), (266, 945990), (276, 911715), (285, 882924), (315, 798836), (322, 781470), (342, 735770), (345, 729372), (380, 662193), (399, 630660), (414, 607810), (420, 599127), (437, 575820), (457, 550620), (460, 547029), (483, 520980), (532, 472995), (570, 441462), (630, 399418), (644, 390735), (665, 378396), (684, 367885), (690, 364686), (798, 315330), (805, 312588), (828, 303905), (855, 294308), (874, 287910), (914, 275310), (966, 260490), (1035, 243124), (1140, 220731), (1197, 210220), (1260, 199709), (1311, 191940), (1330, 189198), (1371, 183540), (1380, 182343), (1449, 173660), (1596, 157665), (1610, 156294), (1710, 147154), (1748, 143955), (1828, 137655), (1932, 130245), (1995, 126132), (2070, 121562), (2185, 115164), (2285, 110124), (2394, 105110), (2415, 104196), (2622, 95970), (2660, 94599), (2742, 91770), (2898, 86830), (3059, 82260), (3199, 78660), (3220, 78147), (3420, 73577), (3933, 63980), (3990, 63066), (4113, 61180), (4140, 60781), (4370, 57582), (4570, 55062), (4788, 52555), (4830, 52098), (5244, 47985), (5484, 45885), (5796, 43415), (5985, 42044), (6118, 41130), (6398, 39330), (6555, 38388), (6855, 36708), (7245, 34732), (7866, 31990), (7980, 31533), (8226, 30590), (8683, 28980), (8740, 28791), (9140, 27531), (9177, 27420), (9597, 26220), (9660, 26049), (10511, 23940), (11970, 21022), (12236, 20565), (12796, 19665), (13110, 19194), (13710, 18354), (14490, 17366), (15295, 16452), (15732, 15995)]