889780160

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:734

約数の個数: 112

約数和(自身を含む): 2184562560

約数和(自身を除く): 1294782400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 79, 80, 122, 158, 160, 244, 305, 316, 320, 395, 488, 577, 610, 632, 790, 976, 1154, 1220, 1264, 1580, 1952, 2308, 2440, 2528, 2885, 3160, 3904, 4616, 4819, 4880, 5056, 5770, 6320, 9232, 9638, 9760, 11540, 12640, 18464, 19276, 19520, 23080, 24095, 25280, 35197, 36928, 38552, 45583, 46160, 48190, 70394, 77104, 91166, 92320, 96380, 140788, 154208, 175985, 182332, 184640, 192760, 227915, 281576, 308416, 351970, 364664, 385520, 455830, 563152, 703940, 729328, 771040, 911660, 1126304, 1407880, 1458656, 1542080, 1823320, 2252608, 2780563, 2815760, 2917312, 3646640, 5561126, 5631520, 7293280, 11122252, 11263040, 13902815, 14586560, 22244504, 27805630, 44489008, 55611260, 88978016, 111222520, 177956032, 222445040, 444890080, 889780160]

約数ペア:

[(1, 889780160), (2, 444890080), (4, 222445040), (5, 177956032), (8, 111222520), (10, 88978016), (16, 55611260), (20, 44489008), (32, 27805630), (40, 22244504), (61, 14586560), (64, 13902815), (79, 11263040), (80, 11122252), (122, 7293280), (158, 5631520), (160, 5561126), (244, 3646640), (305, 2917312), (316, 2815760), (320, 2780563), (395, 2252608), (488, 1823320), (577, 1542080), (610, 1458656), (632, 1407880), (790, 1126304), (976, 911660), (1154, 771040), (1220, 729328), (1264, 703940), (1580, 563152), (1952, 455830), (2308, 385520), (2440, 364664), (2528, 351970), (2885, 308416), (3160, 281576), (3904, 227915), (4616, 192760), (4819, 184640), (4880, 182332), (5056, 175985), (5770, 154208), (6320, 140788), (9232, 96380), (9638, 92320), (9760, 91166), (11540, 77104), (12640, 70394), (18464, 48190), (19276, 46160), (19520, 45583), (23080, 38552), (24095, 36928), (25280, 35197)]