321171760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:471

約数の個数: 160

約数和(自身を含む): 928190592

約数和(自身を除く): 607018832

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 157, 182, 208, 260, 280, 281, 314, 364, 455, 520, 560, 562, 628, 728, 785, 910, 1040, 1099, 1124, 1256, 1405, 1456, 1570, 1820, 1967, 2041, 2198, 2248, 2512, 2810, 3140, 3640, 3653, 3934, 4082, 4396, 4496, 5495, 5620, 6280, 7280, 7306, 7868, 8164, 8792, 9835, 10205, 10990, 11240, 12560, 14287, 14612, 15736, 16328, 17584, 18265, 19670, 20410, 21980, 22480, 25571, 28574, 29224, 31472, 32656, 36530, 39340, 40820, 43960, 44117, 51142, 57148, 58448, 71435, 73060, 78680, 81640, 87920, 88234, 102284, 114296, 127855, 142870, 146120, 157360, 163280, 176468, 204568, 220585, 228592, 255710, 285740, 292240, 308819, 352936, 409136, 441170, 511420, 571480, 573521, 617638, 705872, 882340, 1022840, 1142960, 1147042, 1235276, 1544095, 1764680, 2045680, 2294084, 2470552, 2867605, 3088190, 3529360, 4014647, 4588168, 4941104, 5735210, 6176380, 8029294, 9176336, 11470420, 12352760, 16058588, 20073235, 22940840, 24705520, 32117176, 40146470, 45881680, 64234352, 80292940, 160585880, 321171760]

約数ペア:

[(1, 321171760), (2, 160585880), (4, 80292940), (5, 64234352), (7, 45881680), (8, 40146470), (10, 32117176), (13, 24705520), (14, 22940840), (16, 20073235), (20, 16058588), (26, 12352760), (28, 11470420), (35, 9176336), (40, 8029294), (52, 6176380), (56, 5735210), (65, 4941104), (70, 4588168), (80, 4014647), (91, 3529360), (104, 3088190), (112, 2867605), (130, 2470552), (140, 2294084), (157, 2045680), (182, 1764680), (208, 1544095), (260, 1235276), (280, 1147042), (281, 1142960), (314, 1022840), (364, 882340), (455, 705872), (520, 617638), (560, 573521), (562, 571480), (628, 511420), (728, 441170), (785, 409136), (910, 352936), (1040, 308819), (1099, 292240), (1124, 285740), (1256, 255710), (1405, 228592), (1456, 220585), (1570, 204568), (1820, 176468), (1967, 163280), (2041, 157360), (2198, 146120), (2248, 142870), (2512, 127855), (2810, 114296), (3140, 102284), (3640, 88234), (3653, 87920), (3934, 81640), (4082, 78680), (4396, 73060), (4496, 71435), (5495, 58448), (5620, 57148), (6280, 51142), (7280, 44117), (7306, 43960), (7868, 40820), (8164, 39340), (8792, 36530), (9835, 32656), (10205, 31472), (10990, 29224), (11240, 28574), (12560, 25571), (14287, 22480), (14612, 21980), (15736, 20410), (16328, 19670), (17584, 18265)]