221078640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15101}}^1$

素因数の和:15178

約数の個数: 80

約数和(自身を含む): 696625056

約数和(自身を除く): 475546416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2928, 3660, 4880, 7320, 14640, 15101, 30202, 45303, 60404, 75505, 90606, 120808, 151010, 181212, 226515, 241616, 302020, 362424, 453030, 604040, 724848, 906060, 921161, 1208080, 1812120, 1842322, 2763483, 3624240, 3684644, 4605805, 5526966, 7369288, 9211610, 11053932, 13817415, 14738576, 18423220, 22107864, 27634830, 36846440, 44215728, 55269660, 73692880, 110539320, 221078640]

約数ペア:

[(1, 221078640), (2, 110539320), (3, 73692880), (4, 55269660), (5, 44215728), (6, 36846440), (8, 27634830), (10, 22107864), (12, 18423220), (15, 14738576), (16, 13817415), (20, 11053932), (24, 9211610), (30, 7369288), (40, 5526966), (48, 4605805), (60, 3684644), (61, 3624240), (80, 2763483), (120, 1842322), (122, 1812120), (183, 1208080), (240, 921161), (244, 906060), (305, 724848), (366, 604040), (488, 453030), (610, 362424), (732, 302020), (915, 241616), (976, 226515), (1220, 181212), (1464, 151010), (1830, 120808), (2440, 90606), (2928, 75505), (3660, 60404), (4880, 45303), (7320, 30202), (14640, 15101)]