28305120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:668

約数の個数: 96

約数和(自身を含む): 90145440

約数和(自身を除く): 61840320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 109, 120, 160, 218, 240, 327, 436, 480, 541, 545, 654, 872, 1082, 1090, 1308, 1623, 1635, 1744, 2164, 2180, 2616, 2705, 3246, 3270, 3488, 4328, 4360, 5232, 5410, 6492, 6540, 8115, 8656, 8720, 10464, 10820, 12984, 13080, 16230, 17312, 17440, 21640, 25968, 26160, 32460, 43280, 51936, 52320, 58969, 64920, 86560, 117938, 129840, 176907, 235876, 259680, 294845, 353814, 471752, 589690, 707628, 884535, 943504, 1179380, 1415256, 1769070, 1887008, 2358760, 2830512, 3538140, 4717520, 5661024, 7076280, 9435040, 14152560, 28305120]

約数ペア:

[(1, 28305120), (2, 14152560), (3, 9435040), (4, 7076280), (5, 5661024), (6, 4717520), (8, 3538140), (10, 2830512), (12, 2358760), (15, 1887008), (16, 1769070), (20, 1415256), (24, 1179380), (30, 943504), (32, 884535), (40, 707628), (48, 589690), (60, 471752), (80, 353814), (96, 294845), (109, 259680), (120, 235876), (160, 176907), (218, 129840), (240, 117938), (327, 86560), (436, 64920), (480, 58969), (541, 52320), (545, 51936), (654, 43280), (872, 32460), (1082, 26160), (1090, 25968), (1308, 21640), (1623, 17440), (1635, 17312), (1744, 16230), (2164, 13080), (2180, 12984), (2616, 10820), (2705, 10464), (3246, 8720), (3270, 8656), (3488, 8115), (4328, 6540), (4360, 6492), (5232, 5410)]