42801920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 124504128

約数和(自身を除く): 81702208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 256, 272, 280, 281, 320, 340, 448, 476, 544, 560, 562, 595, 640, 680, 896, 952, 1088, 1120, 1124, 1190, 1280, 1360, 1405, 1792, 1904, 1967, 2176, 2240, 2248, 2380, 2720, 2810, 3808, 3934, 4352, 4480, 4496, 4760, 4777, 5440, 5620, 7616, 7868, 8960, 8992, 9520, 9554, 9835, 10880, 11240, 15232, 15736, 17984, 19040, 19108, 19670, 21760, 22480, 23885, 30464, 31472, 33439, 35968, 38080, 38216, 39340, 44960, 47770, 62944, 66878, 71936, 76160, 76432, 78680, 89920, 95540, 125888, 133756, 152320, 152864, 157360, 167195, 179840, 191080, 251776, 267512, 305728, 314720, 334390, 359680, 382160, 503552, 535024, 611456, 629440, 668780, 764320, 1070048, 1222912, 1258880, 1337560, 1528640, 2140096, 2517760, 2675120, 3057280, 4280192, 5350240, 6114560, 8560384, 10700480, 21400960, 42801920]

約数ペア:

[(1, 42801920), (2, 21400960), (4, 10700480), (5, 8560384), (7, 6114560), (8, 5350240), (10, 4280192), (14, 3057280), (16, 2675120), (17, 2517760), (20, 2140096), (28, 1528640), (32, 1337560), (34, 1258880), (35, 1222912), (40, 1070048), (56, 764320), (64, 668780), (68, 629440), (70, 611456), (80, 535024), (85, 503552), (112, 382160), (119, 359680), (128, 334390), (136, 314720), (140, 305728), (160, 267512), (170, 251776), (224, 191080), (238, 179840), (256, 167195), (272, 157360), (280, 152864), (281, 152320), (320, 133756), (340, 125888), (448, 95540), (476, 89920), (544, 78680), (560, 76432), (562, 76160), (595, 71936), (640, 66878), (680, 62944), (896, 47770), (952, 44960), (1088, 39340), (1120, 38216), (1124, 38080), (1190, 35968), (1280, 33439), (1360, 31472), (1405, 30464), (1792, 23885), (1904, 22480), (1967, 21760), (2176, 19670), (2240, 19108), (2248, 19040), (2380, 17984), (2720, 15736), (2810, 15232), (3808, 11240), (3934, 10880), (4352, 9835), (4480, 9554), (4496, 9520), (4760, 8992), (4777, 8960), (5440, 7868), (5620, 7616)]