21888480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1520

約数の個数: 96

約数和(自身を含む): 71221248

約数和(自身を除く): 49332768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1471, 1488, 1860, 2480, 2942, 2976, 3720, 4413, 4960, 5884, 7355, 7440, 8826, 11768, 14710, 14880, 17652, 22065, 23536, 29420, 35304, 44130, 45601, 47072, 58840, 70608, 88260, 91202, 117680, 136803, 141216, 176520, 182404, 228005, 235360, 273606, 353040, 364808, 456010, 547212, 684015, 706080, 729616, 912020, 1094424, 1368030, 1459232, 1824040, 2188848, 2736060, 3648080, 4377696, 5472120, 7296160, 10944240, 21888480]

約数ペア:

[(1, 21888480), (2, 10944240), (3, 7296160), (4, 5472120), (5, 4377696), (6, 3648080), (8, 2736060), (10, 2188848), (12, 1824040), (15, 1459232), (16, 1368030), (20, 1094424), (24, 912020), (30, 729616), (31, 706080), (32, 684015), (40, 547212), (48, 456010), (60, 364808), (62, 353040), (80, 273606), (93, 235360), (96, 228005), (120, 182404), (124, 176520), (155, 141216), (160, 136803), (186, 117680), (240, 91202), (248, 88260), (310, 70608), (372, 58840), (465, 47072), (480, 45601), (496, 44130), (620, 35304), (744, 29420), (930, 23536), (992, 22065), (1240, 17652), (1471, 14880), (1488, 14710), (1860, 11768), (2480, 8826), (2942, 7440), (2976, 7355), (3720, 5884), (4413, 4960)]