766369840

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{1619}}^1$

素因数の和:1790

約数の個数: 80

約数和(自身を含む): 1830820320

約数和(自身を除く): 1064450480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 97, 122, 194, 244, 305, 388, 485, 488, 610, 776, 970, 976, 1220, 1552, 1619, 1940, 2440, 3238, 3880, 4880, 5917, 6476, 7760, 8095, 11834, 12952, 16190, 23668, 25904, 29585, 32380, 47336, 59170, 64760, 94672, 98759, 118340, 129520, 157043, 197518, 236680, 314086, 395036, 473360, 493795, 628172, 785215, 790072, 987590, 1256344, 1570430, 1580144, 1975180, 2512688, 3140860, 3950360, 6281720, 7900720, 9579623, 12563440, 19159246, 38318492, 47898115, 76636984, 95796230, 153273968, 191592460, 383184920, 766369840]

約数ペア:

[(1, 766369840), (2, 383184920), (4, 191592460), (5, 153273968), (8, 95796230), (10, 76636984), (16, 47898115), (20, 38318492), (40, 19159246), (61, 12563440), (80, 9579623), (97, 7900720), (122, 6281720), (194, 3950360), (244, 3140860), (305, 2512688), (388, 1975180), (485, 1580144), (488, 1570430), (610, 1256344), (776, 987590), (970, 790072), (976, 785215), (1220, 628172), (1552, 493795), (1619, 473360), (1940, 395036), (2440, 314086), (3238, 236680), (3880, 197518), (4880, 157043), (5917, 129520), (6476, 118340), (7760, 98759), (8095, 94672), (11834, 64760), (12952, 59170), (16190, 47336), (23668, 32380), (25904, 29585)]