253720320

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{9439}}^1$

素因数の和:9470

約数の個数: 144

約数和(自身を含む): 926177280

約数和(自身を除く): 672456960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 9439, 13440, 18878, 26880, 28317, 37756, 47195, 56634, 66073, 75512, 94390, 113268, 132146, 141585, 151024, 188780, 198219, 226536, 264292, 283170, 302048, 330365, 377560, 396438, 453072, 528584, 566340, 604096, 660730, 755120, 792876, 906144, 991095, 1057168, 1132680, 1208192, 1321460, 1510240, 1585752, 1812288, 1982190, 2114336, 2265360, 2416384, 2642920, 3020480, 3171504, 3624576, 3964380, 4228672, 4530720, 5285840, 6040960, 6343008, 7249152, 7928760, 8457344, 9061440, 10571680, 12081920, 12686016, 15857520, 16914688, 18122880, 21143360, 25372032, 31715040, 36245760, 42286720, 50744064, 63430080, 84573440, 126860160, 253720320]

約数ペア:

[(1, 253720320), (2, 126860160), (3, 84573440), (4, 63430080), (5, 50744064), (6, 42286720), (7, 36245760), (8, 31715040), (10, 25372032), (12, 21143360), (14, 18122880), (15, 16914688), (16, 15857520), (20, 12686016), (21, 12081920), (24, 10571680), (28, 9061440), (30, 8457344), (32, 7928760), (35, 7249152), (40, 6343008), (42, 6040960), (48, 5285840), (56, 4530720), (60, 4228672), (64, 3964380), (70, 3624576), (80, 3171504), (84, 3020480), (96, 2642920), (105, 2416384), (112, 2265360), (120, 2114336), (128, 1982190), (140, 1812288), (160, 1585752), (168, 1510240), (192, 1321460), (210, 1208192), (224, 1132680), (240, 1057168), (256, 991095), (280, 906144), (320, 792876), (336, 755120), (384, 660730), (420, 604096), (448, 566340), (480, 528584), (560, 453072), (640, 396438), (672, 377560), (768, 330365), (840, 302048), (896, 283170), (960, 264292), (1120, 226536), (1280, 198219), (1344, 188780), (1680, 151024), (1792, 141585), (1920, 132146), (2240, 113268), (2688, 94390), (3360, 75512), (3840, 66073), (4480, 56634), (5376, 47195), (6720, 37756), (8960, 28317), (9439, 26880), (13440, 18878)]