128301420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12653}}^1$

素因数の和:12691

約数の個数: 72

約数和(自身を含む): 389034576

約数和(自身を除く): 260733156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 12653, 25306, 37959, 50612, 63265, 75918, 126530, 151836, 164489, 189795, 253060, 328978, 379590, 493467, 657956, 759180, 822445, 986934, 1644890, 1973868, 2138357, 2467335, 3289780, 4276714, 4934670, 6415071, 8553428, 9869340, 10691785, 12830142, 21383570, 25660284, 32075355, 42767140, 64150710, 128301420]

約数ペア:

[(1, 128301420), (2, 64150710), (3, 42767140), (4, 32075355), (5, 25660284), (6, 21383570), (10, 12830142), (12, 10691785), (13, 9869340), (15, 8553428), (20, 6415071), (26, 4934670), (30, 4276714), (39, 3289780), (52, 2467335), (60, 2138357), (65, 1973868), (78, 1644890), (130, 986934), (156, 822445), (169, 759180), (195, 657956), (260, 493467), (338, 379590), (390, 328978), (507, 253060), (676, 189795), (780, 164489), (845, 151836), (1014, 126530), (1690, 75918), (2028, 63265), (2535, 50612), (3380, 37959), (5070, 25306), (10140, 12653)]