161957040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:819

約数の個数: 160

約数和(自身を含む): 578534400

約数和(自身を除く): 416577360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 149, 168, 210, 240, 280, 298, 336, 420, 447, 560, 596, 647, 745, 840, 894, 1043, 1192, 1294, 1490, 1680, 1788, 1941, 2086, 2235, 2384, 2588, 2980, 3129, 3235, 3576, 3882, 4172, 4470, 4529, 5176, 5215, 5960, 6258, 6470, 7152, 7764, 8344, 8940, 9058, 9705, 10352, 10430, 11920, 12516, 12940, 13587, 15528, 15645, 16688, 17880, 18116, 19410, 20860, 22645, 25032, 25880, 27174, 31056, 31290, 35760, 36232, 38820, 41720, 45290, 50064, 51760, 54348, 62580, 67935, 72464, 77640, 83440, 90580, 96403, 108696, 125160, 135870, 155280, 181160, 192806, 217392, 250320, 271740, 289209, 362320, 385612, 482015, 543480, 578418, 674821, 771224, 964030, 1086960, 1156836, 1349642, 1446045, 1542448, 1928060, 2024463, 2313672, 2699284, 2892090, 3374105, 3856120, 4048926, 4627344, 5398568, 5784180, 6748210, 7712240, 8097852, 10122315, 10797136, 11568360, 13496420, 16195704, 20244630, 23136720, 26992840, 32391408, 40489260, 53985680, 80978520, 161957040]

約数ペア:

[(1, 161957040), (2, 80978520), (3, 53985680), (4, 40489260), (5, 32391408), (6, 26992840), (7, 23136720), (8, 20244630), (10, 16195704), (12, 13496420), (14, 11568360), (15, 10797136), (16, 10122315), (20, 8097852), (21, 7712240), (24, 6748210), (28, 5784180), (30, 5398568), (35, 4627344), (40, 4048926), (42, 3856120), (48, 3374105), (56, 2892090), (60, 2699284), (70, 2313672), (80, 2024463), (84, 1928060), (105, 1542448), (112, 1446045), (120, 1349642), (140, 1156836), (149, 1086960), (168, 964030), (210, 771224), (240, 674821), (280, 578418), (298, 543480), (336, 482015), (420, 385612), (447, 362320), (560, 289209), (596, 271740), (647, 250320), (745, 217392), (840, 192806), (894, 181160), (1043, 155280), (1192, 135870), (1294, 125160), (1490, 108696), (1680, 96403), (1788, 90580), (1941, 83440), (2086, 77640), (2235, 72464), (2384, 67935), (2588, 62580), (2980, 54348), (3129, 51760), (3235, 50064), (3576, 45290), (3882, 41720), (4172, 38820), (4470, 36232), (4529, 35760), (5176, 31290), (5215, 31056), (5960, 27174), (6258, 25880), (6470, 25032), (7152, 22645), (7764, 20860), (8344, 19410), (8940, 18116), (9058, 17880), (9705, 16688), (10352, 15645), (10430, 15528), (11920, 13587), (12516, 12940)]