72923520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2040

約数の個数: 128

約数和(自身を含む): 244800000

約数和(自身を除く): 171876480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 912, 960, 1140, 1216, 1520, 1824, 1920, 1999, 2280, 2432, 3040, 3648, 3998, 4560, 5997, 6080, 7296, 7996, 9120, 9995, 11994, 12160, 15992, 18240, 19990, 23988, 29985, 31984, 36480, 37981, 39980, 47976, 59970, 63968, 75962, 79960, 95952, 113943, 119940, 127936, 151924, 159920, 189905, 191904, 227886, 239880, 255872, 303848, 319840, 379810, 383808, 455772, 479760, 569715, 607696, 639680, 759620, 767616, 911544, 959520, 1139430, 1215392, 1279360, 1519240, 1823088, 1919040, 2278860, 2430784, 3038480, 3646176, 3838080, 4557720, 4861568, 6076960, 7292352, 9115440, 12153920, 14584704, 18230880, 24307840, 36461760, 72923520]

約数ペア:

[(1, 72923520), (2, 36461760), (3, 24307840), (4, 18230880), (5, 14584704), (6, 12153920), (8, 9115440), (10, 7292352), (12, 6076960), (15, 4861568), (16, 4557720), (19, 3838080), (20, 3646176), (24, 3038480), (30, 2430784), (32, 2278860), (38, 1919040), (40, 1823088), (48, 1519240), (57, 1279360), (60, 1215392), (64, 1139430), (76, 959520), (80, 911544), (95, 767616), (96, 759620), (114, 639680), (120, 607696), (128, 569715), (152, 479760), (160, 455772), (190, 383808), (192, 379810), (228, 319840), (240, 303848), (285, 255872), (304, 239880), (320, 227886), (380, 191904), (384, 189905), (456, 159920), (480, 151924), (570, 127936), (608, 119940), (640, 113943), (760, 95952), (912, 79960), (960, 75962), (1140, 63968), (1216, 59970), (1520, 47976), (1824, 39980), (1920, 37981), (1999, 36480), (2280, 31984), (2432, 29985), (3040, 23988), (3648, 19990), (3998, 18240), (4560, 15992), (5997, 12160), (6080, 11994), (7296, 9995), (7996, 9120)]