66706720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21943}}^1$

素因数の和:21977

約数の個数: 48

約数和(自身を含む): 165896640

約数和(自身を除く): 99189920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 21943, 43886, 87772, 109715, 175544, 219430, 351088, 416917, 438860, 702176, 833834, 877720, 1667668, 1755440, 2084585, 3335336, 3510880, 4169170, 6670672, 8338340, 13341344, 16676680, 33353360, 66706720]

約数ペア:

[(1, 66706720), (2, 33353360), (4, 16676680), (5, 13341344), (8, 8338340), (10, 6670672), (16, 4169170), (19, 3510880), (20, 3335336), (32, 2084585), (38, 1755440), (40, 1667668), (76, 877720), (80, 833834), (95, 702176), (152, 438860), (160, 416917), (190, 351088), (304, 219430), (380, 175544), (608, 109715), (760, 87772), (1520, 43886), (3040, 21943)]