90198640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 160

約数和(自身を含む): 257126400

約数和(自身を除く): 166927760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 47, 56, 70, 80, 92, 94, 112, 115, 140, 149, 161, 184, 188, 230, 235, 280, 298, 322, 329, 368, 376, 460, 470, 560, 596, 644, 658, 745, 752, 805, 920, 940, 1043, 1081, 1192, 1288, 1316, 1490, 1610, 1645, 1840, 1880, 2086, 2162, 2384, 2576, 2632, 2980, 3220, 3290, 3427, 3760, 4172, 4324, 5215, 5264, 5405, 5960, 6440, 6580, 6854, 7003, 7567, 8344, 8648, 10430, 10810, 11920, 12880, 13160, 13708, 14006, 15134, 16688, 17135, 17296, 20860, 21620, 23989, 26320, 27416, 28012, 30268, 34270, 35015, 37835, 41720, 43240, 47978, 49021, 54832, 56024, 60536, 68540, 70030, 75670, 83440, 86480, 95956, 98042, 112048, 119945, 121072, 137080, 140060, 151340, 161069, 191912, 196084, 239890, 245105, 274160, 280120, 302680, 322138, 383824, 392168, 479780, 490210, 560240, 605360, 644276, 784336, 805345, 959560, 980420, 1127483, 1288552, 1610690, 1919120, 1960840, 2254966, 2577104, 3221380, 3921680, 4509932, 5637415, 6442760, 9019864, 11274830, 12885520, 18039728, 22549660, 45099320, 90198640]

約数ペア:

[(1, 90198640), (2, 45099320), (4, 22549660), (5, 18039728), (7, 12885520), (8, 11274830), (10, 9019864), (14, 6442760), (16, 5637415), (20, 4509932), (23, 3921680), (28, 3221380), (35, 2577104), (40, 2254966), (46, 1960840), (47, 1919120), (56, 1610690), (70, 1288552), (80, 1127483), (92, 980420), (94, 959560), (112, 805345), (115, 784336), (140, 644276), (149, 605360), (161, 560240), (184, 490210), (188, 479780), (230, 392168), (235, 383824), (280, 322138), (298, 302680), (322, 280120), (329, 274160), (368, 245105), (376, 239890), (460, 196084), (470, 191912), (560, 161069), (596, 151340), (644, 140060), (658, 137080), (745, 121072), (752, 119945), (805, 112048), (920, 98042), (940, 95956), (1043, 86480), (1081, 83440), (1192, 75670), (1288, 70030), (1316, 68540), (1490, 60536), (1610, 56024), (1645, 54832), (1840, 49021), (1880, 47978), (2086, 43240), (2162, 41720), (2384, 37835), (2576, 35015), (2632, 34270), (2980, 30268), (3220, 28012), (3290, 27416), (3427, 26320), (3760, 23989), (4172, 21620), (4324, 20860), (5215, 17296), (5264, 17135), (5405, 16688), (5960, 15134), (6440, 14006), (6580, 13708), (6854, 13160), (7003, 12880), (7567, 11920), (8344, 10810), (8648, 10430)]