404286720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{829}}^1$

素因数の和:980

約数の個数: 144

約数和(自身を含む): 1302927360

約数和(自身を除く): 898640640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 256, 320, 381, 384, 480, 508, 635, 640, 762, 768, 829, 960, 1016, 1270, 1280, 1524, 1658, 1905, 1920, 2032, 2487, 2540, 3048, 3316, 3810, 3840, 4064, 4145, 4974, 5080, 6096, 6632, 7620, 8128, 8290, 9948, 10160, 12192, 12435, 13264, 15240, 16256, 16580, 19896, 20320, 24384, 24870, 26528, 30480, 32512, 33160, 39792, 40640, 48768, 49740, 53056, 60960, 66320, 79584, 81280, 97536, 99480, 105283, 106112, 121920, 132640, 159168, 162560, 198960, 210566, 212224, 243840, 265280, 315849, 318336, 397920, 421132, 487680, 526415, 530560, 631698, 636672, 795840, 842264, 1052830, 1061120, 1263396, 1579245, 1591680, 1684528, 2105660, 2526792, 3158490, 3183360, 3369056, 4211320, 5053584, 6316980, 6738112, 8422640, 10107168, 12633960, 13476224, 16845280, 20214336, 25267920, 26952448, 33690560, 40428672, 50535840, 67381120, 80857344, 101071680, 134762240, 202143360, 404286720]

約数ペア:

[(1, 404286720), (2, 202143360), (3, 134762240), (4, 101071680), (5, 80857344), (6, 67381120), (8, 50535840), (10, 40428672), (12, 33690560), (15, 26952448), (16, 25267920), (20, 20214336), (24, 16845280), (30, 13476224), (32, 12633960), (40, 10107168), (48, 8422640), (60, 6738112), (64, 6316980), (80, 5053584), (96, 4211320), (120, 3369056), (127, 3183360), (128, 3158490), (160, 2526792), (192, 2105660), (240, 1684528), (254, 1591680), (256, 1579245), (320, 1263396), (381, 1061120), (384, 1052830), (480, 842264), (508, 795840), (635, 636672), (640, 631698), (762, 530560), (768, 526415), (829, 487680), (960, 421132), (1016, 397920), (1270, 318336), (1280, 315849), (1524, 265280), (1658, 243840), (1905, 212224), (1920, 210566), (2032, 198960), (2487, 162560), (2540, 159168), (3048, 132640), (3316, 121920), (3810, 106112), (3840, 105283), (4064, 99480), (4145, 97536), (4974, 81280), (5080, 79584), (6096, 66320), (6632, 60960), (7620, 53056), (8128, 49740), (8290, 48768), (9948, 40640), (10160, 39792), (12192, 33160), (12435, 32512), (13264, 30480), (15240, 26528), (16256, 24870), (16580, 24384), (19896, 20320)]