78577760

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 192925152

約数和(自身を除く): 114347392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 83, 97, 122, 160, 166, 194, 244, 305, 332, 388, 415, 485, 488, 610, 664, 776, 830, 970, 976, 1220, 1328, 1552, 1660, 1940, 1952, 2440, 2656, 3104, 3320, 3880, 4880, 5063, 5917, 6640, 7760, 8051, 9760, 10126, 11834, 13280, 15520, 16102, 20252, 23668, 25315, 29585, 32204, 40255, 40504, 47336, 50630, 59170, 64408, 80510, 81008, 94672, 101260, 118340, 128816, 161020, 162016, 189344, 202520, 236680, 257632, 322040, 405040, 473360, 491111, 644080, 810080, 946720, 982222, 1288160, 1964444, 2455555, 3928888, 4911110, 7857776, 9822220, 15715552, 19644440, 39288880, 78577760]

約数ペア:

[(1, 78577760), (2, 39288880), (4, 19644440), (5, 15715552), (8, 9822220), (10, 7857776), (16, 4911110), (20, 3928888), (32, 2455555), (40, 1964444), (61, 1288160), (80, 982222), (83, 946720), (97, 810080), (122, 644080), (160, 491111), (166, 473360), (194, 405040), (244, 322040), (305, 257632), (332, 236680), (388, 202520), (415, 189344), (485, 162016), (488, 161020), (610, 128816), (664, 118340), (776, 101260), (830, 94672), (970, 81008), (976, 80510), (1220, 64408), (1328, 59170), (1552, 50630), (1660, 47336), (1940, 40504), (1952, 40255), (2440, 32204), (2656, 29585), (3104, 25315), (3320, 23668), (3880, 20252), (4880, 16102), (5063, 15520), (5917, 13280), (6640, 11834), (7760, 10126), (8051, 9760)]