309931440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:676

約数の個数: 320

約数和(自身を含む): 1235920896

約数和(自身を除く): 925989456

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 23, 24, 26, 28, 30, 35, 39, 40, 42, 46, 48, 52, 56, 60, 65, 69, 70, 78, 80, 84, 91, 92, 104, 105, 112, 115, 120, 130, 138, 140, 156, 161, 168, 182, 184, 195, 208, 210, 230, 240, 260, 273, 276, 280, 299, 312, 322, 336, 345, 364, 368, 390, 420, 455, 460, 483, 520, 546, 552, 560, 598, 617, 624, 644, 690, 728, 780, 805, 840, 897, 910, 920, 966, 1040, 1092, 1104, 1196, 1234, 1288, 1365, 1380, 1456, 1495, 1560, 1610, 1680, 1794, 1820, 1840, 1851, 1932, 2093, 2184, 2392, 2415, 2468, 2576, 2730, 2760, 2990, 3085, 3120, 3220, 3588, 3640, 3702, 3864, 4186, 4319, 4368, 4485, 4784, 4830, 4936, 5460, 5520, 5980, 6170, 6279, 6440, 7176, 7280, 7404, 7728, 8021, 8372, 8638, 8970, 9255, 9660, 9872, 10465, 10920, 11960, 12340, 12558, 12880, 12957, 14191, 14352, 14808, 16042, 16744, 17276, 17940, 18510, 19320, 20930, 21595, 21840, 23920, 24063, 24680, 25116, 25914, 28382, 29616, 31395, 32084, 33488, 34552, 35880, 37020, 38640, 40105, 41860, 42573, 43190, 48126, 49360, 50232, 51828, 56147, 56764, 62790, 64168, 64785, 69104, 70955, 71760, 74040, 80210, 83720, 85146, 86380, 96252, 99337, 100464, 103656, 112294, 113528, 120315, 125580, 128336, 129570, 141910, 148080, 160420, 167440, 168441, 170292, 172760, 184483, 192504, 198674, 207312, 212865, 224588, 227056, 240630, 251160, 259140, 280735, 283820, 298011, 320840, 336882, 340584, 345520, 368966, 385008, 397348, 425730, 449176, 481260, 496685, 502320, 518280, 553449, 561470, 567640, 596022, 641680, 673764, 681168, 737932, 794696, 842205, 851460, 898352, 922415, 962520, 993370, 1036560, 1106898, 1122940, 1135280, 1192044, 1291381, 1347528, 1475864, 1490055, 1589392, 1684410, 1702920, 1844830, 1925040, 1986740, 2213796, 2245880, 2384088, 2582762, 2695056, 2767245, 2951728, 2980110, 3368820, 3405840, 3689660, 3874143, 3973480, 4427592, 4491760, 4768176, 5165524, 5534490, 5960220, 6456905, 6737640, 7379320, 7748286, 7946960, 8855184, 10331048, 11068980, 11920440, 12913810, 13475280, 14758640, 15496572, 19370715, 20662096, 22137960, 23840880, 25827620, 30993144, 38741430, 44275920, 51655240, 61986288, 77482860, 103310480, 154965720, 309931440]

約数ペア:

[(1, 309931440), (2, 154965720), (3, 103310480), (4, 77482860), (5, 61986288), (6, 51655240), (7, 44275920), (8, 38741430), (10, 30993144), (12, 25827620), (13, 23840880), (14, 22137960), (15, 20662096), (16, 19370715), (20, 15496572), (21, 14758640), (23, 13475280), (24, 12913810), (26, 11920440), (28, 11068980), (30, 10331048), (35, 8855184), (39, 7946960), (40, 7748286), (42, 7379320), (46, 6737640), (48, 6456905), (52, 5960220), (56, 5534490), (60, 5165524), (65, 4768176), (69, 4491760), (70, 4427592), (78, 3973480), (80, 3874143), (84, 3689660), (91, 3405840), (92, 3368820), (104, 2980110), (105, 2951728), (112, 2767245), (115, 2695056), (120, 2582762), (130, 2384088), (138, 2245880), (140, 2213796), (156, 1986740), (161, 1925040), (168, 1844830), (182, 1702920), (184, 1684410), (195, 1589392), (208, 1490055), (210, 1475864), (230, 1347528), (240, 1291381), (260, 1192044), (273, 1135280), (276, 1122940), (280, 1106898), (299, 1036560), (312, 993370), (322, 962520), (336, 922415), (345, 898352), (364, 851460), (368, 842205), (390, 794696), (420, 737932), (455, 681168), (460, 673764), (483, 641680), (520, 596022), (546, 567640), (552, 561470), (560, 553449), (598, 518280), (617, 502320), (624, 496685), (644, 481260), (690, 449176), (728, 425730), (780, 397348), (805, 385008), (840, 368966), (897, 345520), (910, 340584), (920, 336882), (966, 320840), (1040, 298011), (1092, 283820), (1104, 280735), (1196, 259140), (1234, 251160), (1288, 240630), (1365, 227056), (1380, 224588), (1456, 212865), (1495, 207312), (1560, 198674), (1610, 192504), (1680, 184483), (1794, 172760), (1820, 170292), (1840, 168441), (1851, 167440), (1932, 160420), (2093, 148080), (2184, 141910), (2392, 129570), (2415, 128336), (2468, 125580), (2576, 120315), (2730, 113528), (2760, 112294), (2990, 103656), (3085, 100464), (3120, 99337), (3220, 96252), (3588, 86380), (3640, 85146), (3702, 83720), (3864, 80210), (4186, 74040), (4319, 71760), (4368, 70955), (4485, 69104), (4784, 64785), (4830, 64168), (4936, 62790), (5460, 56764), (5520, 56147), (5980, 51828), (6170, 50232), (6279, 49360), (6440, 48126), (7176, 43190), (7280, 42573), (7404, 41860), (7728, 40105), (8021, 38640), (8372, 37020), (8638, 35880), (8970, 34552), (9255, 33488), (9660, 32084), (9872, 31395), (10465, 29616), (10920, 28382), (11960, 25914), (12340, 25116), (12558, 24680), (12880, 24063), (12957, 23920), (14191, 21840), (14352, 21595), (14808, 20930), (16042, 19320), (16744, 18510), (17276, 17940)]