21792480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:648

約数の個数: 96

約数和(自身を含む): 69600384

約数和(自身を除く): 47807904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 83, 96, 120, 160, 166, 240, 249, 332, 415, 480, 498, 547, 664, 830, 996, 1094, 1245, 1328, 1641, 1660, 1992, 2188, 2490, 2656, 2735, 3282, 3320, 3984, 4376, 4980, 5470, 6564, 6640, 7968, 8205, 8752, 9960, 10940, 13128, 13280, 16410, 17504, 19920, 21880, 26256, 32820, 39840, 43760, 45401, 52512, 65640, 87520, 90802, 131280, 136203, 181604, 227005, 262560, 272406, 363208, 454010, 544812, 681015, 726416, 908020, 1089624, 1362030, 1452832, 1816040, 2179248, 2724060, 3632080, 4358496, 5448120, 7264160, 10896240, 21792480]

約数ペア:

[(1, 21792480), (2, 10896240), (3, 7264160), (4, 5448120), (5, 4358496), (6, 3632080), (8, 2724060), (10, 2179248), (12, 1816040), (15, 1452832), (16, 1362030), (20, 1089624), (24, 908020), (30, 726416), (32, 681015), (40, 544812), (48, 454010), (60, 363208), (80, 272406), (83, 262560), (96, 227005), (120, 181604), (160, 136203), (166, 131280), (240, 90802), (249, 87520), (332, 65640), (415, 52512), (480, 45401), (498, 43760), (547, 39840), (664, 32820), (830, 26256), (996, 21880), (1094, 19920), (1245, 17504), (1328, 16410), (1641, 13280), (1660, 13128), (1992, 10940), (2188, 9960), (2490, 8752), (2656, 8205), (2735, 7968), (3282, 6640), (3320, 6564), (3984, 5470), (4376, 4980)]