145216680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{172877}}^1$

素因数の和:172898

約数の個数: 64

約数和(自身を含む): 497888640

約数和(自身を除く): 352671960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 172877, 345754, 518631, 691508, 864385, 1037262, 1210139, 1383016, 1728770, 2074524, 2420278, 2593155, 3457540, 3630417, 4149048, 4840556, 5186310, 6050695, 6915080, 7260834, 9681112, 10372620, 12101390, 14521668, 18152085, 20745240, 24202780, 29043336, 36304170, 48405560, 72608340, 145216680]

約数ペア:

[(1, 145216680), (2, 72608340), (3, 48405560), (4, 36304170), (5, 29043336), (6, 24202780), (7, 20745240), (8, 18152085), (10, 14521668), (12, 12101390), (14, 10372620), (15, 9681112), (20, 7260834), (21, 6915080), (24, 6050695), (28, 5186310), (30, 4840556), (35, 4149048), (40, 3630417), (42, 3457540), (56, 2593155), (60, 2420278), (70, 2074524), (84, 1728770), (105, 1383016), (120, 1210139), (140, 1037262), (168, 864385), (210, 691508), (280, 518631), (420, 345754), (840, 172877)]