172355340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40459}}^1$

素因数の和:40542

約数の個数: 48

約数和(自身を含む): 489404160

約数和(自身を除く): 317048820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 40459, 80918, 121377, 161836, 202295, 242754, 404590, 485508, 606885, 809180, 1213770, 2427540, 2872589, 5745178, 8617767, 11490356, 14362945, 17235534, 28725890, 34471068, 43088835, 57451780, 86177670, 172355340]

約数ペア:

[(1, 172355340), (2, 86177670), (3, 57451780), (4, 43088835), (5, 34471068), (6, 28725890), (10, 17235534), (12, 14362945), (15, 11490356), (20, 8617767), (30, 5745178), (60, 2872589), (71, 2427540), (142, 1213770), (213, 809180), (284, 606885), (355, 485508), (426, 404590), (710, 242754), (852, 202295), (1065, 161836), (1420, 121377), (2130, 80918), (4260, 40459)]