621461120

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 256

約数和(自身を含む): 1836000000

約数和(自身を除く): 1214538880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 128, 133, 140, 149, 152, 160, 190, 196, 224, 245, 266, 280, 298, 304, 320, 343, 380, 392, 448, 490, 532, 560, 596, 608, 640, 665, 686, 745, 760, 784, 896, 931, 980, 1043, 1064, 1120, 1192, 1216, 1330, 1372, 1490, 1520, 1568, 1715, 1862, 1960, 2086, 2128, 2240, 2384, 2432, 2660, 2744, 2831, 2980, 3040, 3136, 3430, 3724, 3920, 4172, 4256, 4480, 4655, 4768, 5215, 5320, 5488, 5662, 5960, 6080, 6272, 6517, 6860, 7301, 7448, 7840, 8344, 8512, 9310, 9536, 10430, 10640, 10976, 11324, 11920, 12160, 13034, 13720, 14155, 14602, 14896, 15680, 16688, 17024, 18620, 19072, 19817, 20860, 21280, 21952, 22648, 23840, 26068, 27440, 28310, 29204, 29792, 31360, 32585, 33376, 36505, 37240, 39634, 41720, 42560, 43904, 45296, 47680, 51107, 52136, 54880, 56620, 58408, 59584, 65170, 66752, 73010, 74480, 79268, 83440, 85120, 90592, 95360, 99085, 102214, 104272, 109760, 113240, 116816, 119168, 130340, 133504, 138719, 146020, 148960, 158536, 166880, 181184, 198170, 204428, 208544, 219520, 226480, 233632, 255535, 260680, 277438, 292040, 297920, 317072, 333760, 362368, 396340, 408856, 417088, 452960, 467264, 511070, 521360, 554876, 584080, 595840, 634144, 667520, 693595, 792680, 817712, 834176, 905920, 934528, 971033, 1022140, 1042720, 1109752, 1168160, 1268288, 1387190, 1585360, 1635424, 1811840, 1942066, 2044280, 2085440, 2219504, 2336320, 2536576, 2774380, 3170720, 3270848, 3884132, 4088560, 4170880, 4439008, 4672640, 4855165, 5548760, 6341440, 6541696, 7768264, 8177120, 8878016, 9710330, 11097520, 12682880, 15536528, 16354240, 17756032, 19420660, 22195040, 31073056, 32708480, 38841320, 44390080, 62146112, 77682640, 88780160, 124292224, 155365280, 310730560, 621461120]

約数ペア:

[(1, 621461120), (2, 310730560), (4, 155365280), (5, 124292224), (7, 88780160), (8, 77682640), (10, 62146112), (14, 44390080), (16, 38841320), (19, 32708480), (20, 31073056), (28, 22195040), (32, 19420660), (35, 17756032), (38, 16354240), (40, 15536528), (49, 12682880), (56, 11097520), (64, 9710330), (70, 8878016), (76, 8177120), (80, 7768264), (95, 6541696), (98, 6341440), (112, 5548760), (128, 4855165), (133, 4672640), (140, 4439008), (149, 4170880), (152, 4088560), (160, 3884132), (190, 3270848), (196, 3170720), (224, 2774380), (245, 2536576), (266, 2336320), (280, 2219504), (298, 2085440), (304, 2044280), (320, 1942066), (343, 1811840), (380, 1635424), (392, 1585360), (448, 1387190), (490, 1268288), (532, 1168160), (560, 1109752), (596, 1042720), (608, 1022140), (640, 971033), (665, 934528), (686, 905920), (745, 834176), (760, 817712), (784, 792680), (896, 693595), (931, 667520), (980, 634144), (1043, 595840), (1064, 584080), (1120, 554876), (1192, 521360), (1216, 511070), (1330, 467264), (1372, 452960), (1490, 417088), (1520, 408856), (1568, 396340), (1715, 362368), (1862, 333760), (1960, 317072), (2086, 297920), (2128, 292040), (2240, 277438), (2384, 260680), (2432, 255535), (2660, 233632), (2744, 226480), (2831, 219520), (2980, 208544), (3040, 204428), (3136, 198170), (3430, 181184), (3724, 166880), (3920, 158536), (4172, 148960), (4256, 146020), (4480, 138719), (4655, 133504), (4768, 130340), (5215, 119168), (5320, 116816), (5488, 113240), (5662, 109760), (5960, 104272), (6080, 102214), (6272, 99085), (6517, 95360), (6860, 90592), (7301, 85120), (7448, 83440), (7840, 79268), (8344, 74480), (8512, 73010), (9310, 66752), (9536, 65170), (10430, 59584), (10640, 58408), (10976, 56620), (11324, 54880), (11920, 52136), (12160, 51107), (13034, 47680), (13720, 45296), (14155, 43904), (14602, 42560), (14896, 41720), (15680, 39634), (16688, 37240), (17024, 36505), (18620, 33376), (19072, 32585), (19817, 31360), (20860, 29792), (21280, 29204), (21952, 28310), (22648, 27440), (23840, 26068)]