21683280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{541}}^1$

素因数の和:724

約数の個数: 80

約数和(自身を含む): 67745664

約数和(自身を除く): 46062384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 167, 240, 334, 501, 541, 668, 835, 1002, 1082, 1336, 1623, 1670, 2004, 2164, 2505, 2672, 2705, 3246, 3340, 4008, 4328, 5010, 5410, 6492, 6680, 8016, 8115, 8656, 10020, 10820, 12984, 13360, 16230, 20040, 21640, 25968, 32460, 40080, 43280, 64920, 90347, 129840, 180694, 271041, 361388, 451735, 542082, 722776, 903470, 1084164, 1355205, 1445552, 1806940, 2168328, 2710410, 3613880, 4336656, 5420820, 7227760, 10841640, 21683280]

約数ペア:

[(1, 21683280), (2, 10841640), (3, 7227760), (4, 5420820), (5, 4336656), (6, 3613880), (8, 2710410), (10, 2168328), (12, 1806940), (15, 1445552), (16, 1355205), (20, 1084164), (24, 903470), (30, 722776), (40, 542082), (48, 451735), (60, 361388), (80, 271041), (120, 180694), (167, 129840), (240, 90347), (334, 64920), (501, 43280), (541, 40080), (668, 32460), (835, 25968), (1002, 21640), (1082, 20040), (1336, 16230), (1623, 13360), (1670, 12984), (2004, 10820), (2164, 10020), (2505, 8656), (2672, 8115), (2705, 8016), (3246, 6680), (3340, 6492), (4008, 5410), (4328, 5010)]