161402880

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 208

約数和(自身を含む): 537853824

約数和(自身を除く): 376450944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 71, 74, 80, 96, 111, 120, 128, 142, 148, 160, 185, 192, 213, 222, 240, 256, 284, 296, 320, 355, 370, 384, 426, 444, 480, 512, 555, 568, 592, 640, 710, 740, 768, 852, 888, 960, 1024, 1065, 1110, 1136, 1184, 1280, 1420, 1480, 1536, 1704, 1776, 1920, 2048, 2130, 2220, 2272, 2368, 2560, 2627, 2840, 2960, 3072, 3408, 3552, 3840, 4096, 4260, 4440, 4544, 4736, 5120, 5254, 5680, 5920, 6144, 6816, 7104, 7680, 7881, 8520, 8880, 9088, 9472, 10240, 10508, 11360, 11840, 12288, 13135, 13632, 14208, 15360, 15762, 17040, 17760, 18176, 18944, 20480, 21016, 22720, 23680, 26270, 27264, 28416, 30720, 31524, 34080, 35520, 36352, 37888, 39405, 42032, 45440, 47360, 52540, 54528, 56832, 61440, 63048, 68160, 71040, 72704, 75776, 78810, 84064, 90880, 94720, 105080, 109056, 113664, 126096, 136320, 142080, 145408, 151552, 157620, 168128, 181760, 189440, 210160, 218112, 227328, 252192, 272640, 284160, 290816, 315240, 336256, 363520, 378880, 420320, 436224, 454656, 504384, 545280, 568320, 630480, 672512, 727040, 757760, 840640, 872448, 1008768, 1090560, 1136640, 1260960, 1345024, 1454080, 1681280, 2017536, 2181120, 2273280, 2521920, 2690048, 3362560, 4035072, 4362240, 5043840, 5380096, 6725120, 8070144, 10087680, 10760192, 13450240, 16140288, 20175360, 26900480, 32280576, 40350720, 53800960, 80701440, 161402880]

約数ペア:

[(1, 161402880), (2, 80701440), (3, 53800960), (4, 40350720), (5, 32280576), (6, 26900480), (8, 20175360), (10, 16140288), (12, 13450240), (15, 10760192), (16, 10087680), (20, 8070144), (24, 6725120), (30, 5380096), (32, 5043840), (37, 4362240), (40, 4035072), (48, 3362560), (60, 2690048), (64, 2521920), (71, 2273280), (74, 2181120), (80, 2017536), (96, 1681280), (111, 1454080), (120, 1345024), (128, 1260960), (142, 1136640), (148, 1090560), (160, 1008768), (185, 872448), (192, 840640), (213, 757760), (222, 727040), (240, 672512), (256, 630480), (284, 568320), (296, 545280), (320, 504384), (355, 454656), (370, 436224), (384, 420320), (426, 378880), (444, 363520), (480, 336256), (512, 315240), (555, 290816), (568, 284160), (592, 272640), (640, 252192), (710, 227328), (740, 218112), (768, 210160), (852, 189440), (888, 181760), (960, 168128), (1024, 157620), (1065, 151552), (1110, 145408), (1136, 142080), (1184, 136320), (1280, 126096), (1420, 113664), (1480, 109056), (1536, 105080), (1704, 94720), (1776, 90880), (1920, 84064), (2048, 78810), (2130, 75776), (2220, 72704), (2272, 71040), (2368, 68160), (2560, 63048), (2627, 61440), (2840, 56832), (2960, 54528), (3072, 52540), (3408, 47360), (3552, 45440), (3840, 42032), (4096, 39405), (4260, 37888), (4440, 36352), (4544, 35520), (4736, 34080), (5120, 31524), (5254, 30720), (5680, 28416), (5920, 27264), (6144, 26270), (6816, 23680), (7104, 22720), (7680, 21016), (7881, 20480), (8520, 18944), (8880, 18176), (9088, 17760), (9472, 17040), (10240, 15762), (10508, 15360), (11360, 14208), (11840, 13632), (12288, 13135)]