15391520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 39372480

約数和(自身を除く): 23980960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 76, 80, 83, 95, 122, 152, 160, 166, 190, 244, 304, 305, 332, 380, 415, 488, 608, 610, 664, 760, 830, 976, 1159, 1220, 1328, 1520, 1577, 1660, 1952, 2318, 2440, 2656, 3040, 3154, 3320, 4636, 4880, 5063, 5795, 6308, 6640, 7885, 9272, 9760, 10126, 11590, 12616, 13280, 15770, 18544, 20252, 23180, 25232, 25315, 31540, 37088, 40504, 46360, 50464, 50630, 63080, 81008, 92720, 96197, 101260, 126160, 162016, 185440, 192394, 202520, 252320, 384788, 405040, 480985, 769576, 810080, 961970, 1539152, 1923940, 3078304, 3847880, 7695760, 15391520]

約数ペア:

[(1, 15391520), (2, 7695760), (4, 3847880), (5, 3078304), (8, 1923940), (10, 1539152), (16, 961970), (19, 810080), (20, 769576), (32, 480985), (38, 405040), (40, 384788), (61, 252320), (76, 202520), (80, 192394), (83, 185440), (95, 162016), (122, 126160), (152, 101260), (160, 96197), (166, 92720), (190, 81008), (244, 63080), (304, 50630), (305, 50464), (332, 46360), (380, 40504), (415, 37088), (488, 31540), (608, 25315), (610, 25232), (664, 23180), (760, 20252), (830, 18544), (976, 15770), (1159, 13280), (1220, 12616), (1328, 11590), (1520, 10126), (1577, 9760), (1660, 9272), (1952, 7885), (2318, 6640), (2440, 6308), (2656, 5795), (3040, 5063), (3154, 4880), (3320, 4636)]