78400770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21961}}^1$

素因数の和:21995

約数の個数: 64

約数和(自身を含む): 227702016

約数和(自身を除く): 149301246

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 21961, 43922, 65883, 109805, 131766, 153727, 219610, 307454, 329415, 373337, 461181, 658830, 746674, 768635, 922362, 1120011, 1537270, 1866685, 2240022, 2305905, 2613359, 3733370, 4611810, 5226718, 5600055, 7840077, 11200110, 13066795, 15680154, 26133590, 39200385, 78400770]

約数ペア:

[(1, 78400770), (2, 39200385), (3, 26133590), (5, 15680154), (6, 13066795), (7, 11200110), (10, 7840077), (14, 5600055), (15, 5226718), (17, 4611810), (21, 3733370), (30, 2613359), (34, 2305905), (35, 2240022), (42, 1866685), (51, 1537270), (70, 1120011), (85, 922362), (102, 768635), (105, 746674), (119, 658830), (170, 461181), (210, 373337), (238, 329415), (255, 307454), (357, 219610), (510, 153727), (595, 131766), (714, 109805), (1190, 65883), (1785, 43922), (3570, 21961)]