30118400

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:222

約数の個数: 120

約数和(自身を含む): 80804724

約数和(自身を除く): 50686324

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 181, 200, 208, 256, 260, 320, 325, 362, 400, 416, 512, 520, 640, 650, 724, 800, 832, 905, 1040, 1280, 1300, 1448, 1600, 1664, 1810, 2080, 2353, 2560, 2600, 2896, 3200, 3328, 3620, 4160, 4525, 4706, 5200, 5792, 6400, 6656, 7240, 8320, 9050, 9412, 10400, 11584, 11765, 12800, 14480, 16640, 18100, 18824, 20800, 23168, 23530, 28960, 33280, 36200, 37648, 41600, 46336, 47060, 57920, 58825, 72400, 75296, 83200, 92672, 94120, 115840, 117650, 144800, 150592, 166400, 188240, 231680, 235300, 289600, 301184, 376480, 463360, 470600, 579200, 602368, 752960, 941200, 1158400, 1204736, 1505920, 1882400, 2316800, 3011840, 3764800, 6023680, 7529600, 15059200, 30118400]

約数ペア:

[(1, 30118400), (2, 15059200), (4, 7529600), (5, 6023680), (8, 3764800), (10, 3011840), (13, 2316800), (16, 1882400), (20, 1505920), (25, 1204736), (26, 1158400), (32, 941200), (40, 752960), (50, 602368), (52, 579200), (64, 470600), (65, 463360), (80, 376480), (100, 301184), (104, 289600), (128, 235300), (130, 231680), (160, 188240), (181, 166400), (200, 150592), (208, 144800), (256, 117650), (260, 115840), (320, 94120), (325, 92672), (362, 83200), (400, 75296), (416, 72400), (512, 58825), (520, 57920), (640, 47060), (650, 46336), (724, 41600), (800, 37648), (832, 36200), (905, 33280), (1040, 28960), (1280, 23530), (1300, 23168), (1448, 20800), (1600, 18824), (1664, 18100), (1810, 16640), (2080, 14480), (2353, 12800), (2560, 11765), (2600, 11584), (2896, 10400), (3200, 9412), (3328, 9050), (3620, 8320), (4160, 7240), (4525, 6656), (4706, 6400), (5200, 5792)]