18464880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:431

約数の個数: 160

約数和(自身を含む): 67852800

約数和(自身を除く): 49387920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 348, 379, 406, 420, 435, 464, 560, 580, 609, 696, 758, 812, 840, 870, 1015, 1137, 1160, 1218, 1392, 1516, 1624, 1680, 1740, 1895, 2030, 2274, 2320, 2436, 2653, 3032, 3045, 3248, 3480, 3790, 4060, 4548, 4872, 5306, 5685, 6064, 6090, 6960, 7580, 7959, 8120, 9096, 9744, 10612, 10991, 11370, 12180, 13265, 15160, 15918, 16240, 18192, 21224, 21982, 22740, 24360, 26530, 30320, 31836, 32973, 39795, 42448, 43964, 45480, 48720, 53060, 54955, 63672, 65946, 76937, 79590, 87928, 90960, 106120, 109910, 127344, 131892, 153874, 159180, 164865, 175856, 212240, 219820, 230811, 263784, 307748, 318360, 329730, 384685, 439640, 461622, 527568, 615496, 636720, 659460, 769370, 879280, 923244, 1154055, 1230992, 1318920, 1538740, 1846488, 2308110, 2637840, 3077480, 3692976, 4616220, 6154960, 9232440, 18464880]

約数ペア:

[(1, 18464880), (2, 9232440), (3, 6154960), (4, 4616220), (5, 3692976), (6, 3077480), (7, 2637840), (8, 2308110), (10, 1846488), (12, 1538740), (14, 1318920), (15, 1230992), (16, 1154055), (20, 923244), (21, 879280), (24, 769370), (28, 659460), (29, 636720), (30, 615496), (35, 527568), (40, 461622), (42, 439640), (48, 384685), (56, 329730), (58, 318360), (60, 307748), (70, 263784), (80, 230811), (84, 219820), (87, 212240), (105, 175856), (112, 164865), (116, 159180), (120, 153874), (140, 131892), (145, 127344), (168, 109910), (174, 106120), (203, 90960), (210, 87928), (232, 79590), (240, 76937), (280, 65946), (290, 63672), (336, 54955), (348, 53060), (379, 48720), (406, 45480), (420, 43964), (435, 42448), (464, 39795), (560, 32973), (580, 31836), (609, 30320), (696, 26530), (758, 24360), (812, 22740), (840, 21982), (870, 21224), (1015, 18192), (1137, 16240), (1160, 15918), (1218, 15160), (1392, 13265), (1516, 12180), (1624, 11370), (1680, 10991), (1740, 10612), (1895, 9744), (2030, 9096), (2274, 8120), (2320, 7959), (2436, 7580), (2653, 6960), (3032, 6090), (3045, 6064), (3248, 5685), (3480, 5306), (3790, 4872), (4060, 4548)]