19931520

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{1483}}^1$

素因数の和:1512

約数の個数: 128

約数和(自身を含む): 72656640

約数和(自身を除く): 52725120

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, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1483, 1680, 1920, 2240, 2688, 2966, 3360, 4449, 4480, 5932, 6720, 7415, 8898, 10381, 11864, 13440, 14830, 17796, 20762, 22245, 23728, 29660, 31143, 35592, 41524, 44490, 47456, 51905, 59320, 62286, 71184, 83048, 88980, 94912, 103810, 118640, 124572, 142368, 155715, 166096, 177960, 189824, 207620, 237280, 249144, 284736, 311430, 332192, 355920, 415240, 474560, 498288, 569472, 622860, 664384, 711840, 830480, 949120, 996576, 1245720, 1328768, 1423680, 1660960, 1993152, 2491440, 2847360, 3321920, 3986304, 4982880, 6643840, 9965760, 19931520]

約数ペア:

[(1, 19931520), (2, 9965760), (3, 6643840), (4, 4982880), (5, 3986304), (6, 3321920), (7, 2847360), (8, 2491440), (10, 1993152), (12, 1660960), (14, 1423680), (15, 1328768), (16, 1245720), (20, 996576), (21, 949120), (24, 830480), (28, 711840), (30, 664384), (32, 622860), (35, 569472), (40, 498288), (42, 474560), (48, 415240), (56, 355920), (60, 332192), (64, 311430), (70, 284736), (80, 249144), (84, 237280), (96, 207620), (105, 189824), (112, 177960), (120, 166096), (128, 155715), (140, 142368), (160, 124572), (168, 118640), (192, 103810), (210, 94912), (224, 88980), (240, 83048), (280, 71184), (320, 62286), (336, 59320), (384, 51905), (420, 47456), (448, 44490), (480, 41524), (560, 35592), (640, 31143), (672, 29660), (840, 23728), (896, 22245), (960, 20762), (1120, 17796), (1344, 14830), (1483, 13440), (1680, 11864), (1920, 10381), (2240, 8898), (2688, 7415), (2966, 6720), (3360, 5932), (4449, 4480)]