1272562020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89491}}^1$

素因数の和:89585

約数の個数: 72

約数和(自身を含む): 3909010560

約数和(自身を除く): 2636448540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 14220, 89491, 178982, 268473, 357964, 447455, 536946, 805419, 894910, 1073892, 1342365, 1610838, 1789820, 2684730, 3221676, 4027095, 5369460, 7069789, 8054190, 14139578, 16108380, 21209367, 28279156, 35348945, 42418734, 63628101, 70697890, 84837468, 106046835, 127256202, 141395780, 212093670, 254512404, 318140505, 424187340, 636281010, 1272562020]

約数ペア:

[(1, 1272562020), (2, 636281010), (3, 424187340), (4, 318140505), (5, 254512404), (6, 212093670), (9, 141395780), (10, 127256202), (12, 106046835), (15, 84837468), (18, 70697890), (20, 63628101), (30, 42418734), (36, 35348945), (45, 28279156), (60, 21209367), (79, 16108380), (90, 14139578), (158, 8054190), (180, 7069789), (237, 5369460), (316, 4027095), (395, 3221676), (474, 2684730), (711, 1789820), (790, 1610838), (948, 1342365), (1185, 1073892), (1422, 894910), (1580, 805419), (2370, 536946), (2844, 447455), (3555, 357964), (4740, 268473), (7110, 178982), (14220, 89491)]