209525040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{291007}}^1$

素因数の和:291026

約数の個数: 60

約数和(自身を含む): 703657344

約数和(自身を除く): 494132304

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 291007, 582014, 873021, 1164028, 1455035, 1746042, 2328056, 2619063, 2910070, 3492084, 4365105, 4656112, 5238126, 5820140, 6984168, 8730210, 10476252, 11640280, 13095315, 13968336, 17460420, 20952504, 23280560, 26190630, 34920840, 41905008, 52381260, 69841680, 104762520, 209525040]

約数ペア:

[(1, 209525040), (2, 104762520), (3, 69841680), (4, 52381260), (5, 41905008), (6, 34920840), (8, 26190630), (9, 23280560), (10, 20952504), (12, 17460420), (15, 13968336), (16, 13095315), (18, 11640280), (20, 10476252), (24, 8730210), (30, 6984168), (36, 5820140), (40, 5238126), (45, 4656112), (48, 4365105), (60, 3492084), (72, 2910070), (80, 2619063), (90, 2328056), (120, 1746042), (144, 1455035), (180, 1164028), (240, 873021), (360, 582014), (720, 291007)]