68820280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1091}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 165110400

約数和(自身を除く): 96290120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 332, 380, 415, 664, 760, 830, 1091, 1577, 1660, 2182, 3154, 3320, 4364, 5455, 6308, 7885, 8728, 10910, 12616, 15770, 20729, 21820, 31540, 41458, 43640, 63080, 82916, 90553, 103645, 165832, 181106, 207290, 362212, 414580, 452765, 724424, 829160, 905530, 1720507, 1811060, 3441014, 3622120, 6882028, 8602535, 13764056, 17205070, 34410140, 68820280]

約数ペア:

[(1, 68820280), (2, 34410140), (4, 17205070), (5, 13764056), (8, 8602535), (10, 6882028), (19, 3622120), (20, 3441014), (38, 1811060), (40, 1720507), (76, 905530), (83, 829160), (95, 724424), (152, 452765), (166, 414580), (190, 362212), (332, 207290), (380, 181106), (415, 165832), (664, 103645), (760, 90553), (830, 82916), (1091, 63080), (1577, 43640), (1660, 41458), (2182, 31540), (3154, 21820), (3320, 20729), (4364, 15770), (5455, 12616), (6308, 10910), (7885, 8728)]