991198680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2039}}^1\times {\mathrm{4051}}^1$

素因数の和:6104

約数の個数: 64

約数和(自身を含む): 2975788800

約数和(自身を除く): 1984590120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2039, 4051, 4078, 6117, 8102, 8156, 10195, 12153, 12234, 16204, 16312, 20255, 20390, 24306, 24468, 30585, 32408, 40510, 40780, 48612, 48936, 60765, 61170, 81020, 81560, 97224, 121530, 122340, 162040, 243060, 244680, 486120, 8259989, 16519978, 24779967, 33039956, 41299945, 49559934, 66079912, 82599890, 99119868, 123899835, 165199780, 198239736, 247799670, 330399560, 495599340, 991198680]

約数ペア:

[(1, 991198680), (2, 495599340), (3, 330399560), (4, 247799670), (5, 198239736), (6, 165199780), (8, 123899835), (10, 99119868), (12, 82599890), (15, 66079912), (20, 49559934), (24, 41299945), (30, 33039956), (40, 24779967), (60, 16519978), (120, 8259989), (2039, 486120), (4051, 244680), (4078, 243060), (6117, 162040), (8102, 122340), (8156, 121530), (10195, 97224), (12153, 81560), (12234, 81020), (16204, 61170), (16312, 60765), (20255, 48936), (20390, 48612), (24306, 40780), (24468, 40510), (30585, 32408)]