78871140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19051}}^1$

素因数の和:19089

約数の個数: 72

約数和(自身を含む): 249657408

約数和(自身を除く): 170786268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 19051, 38102, 57153, 76204, 95255, 114306, 171459, 190510, 228612, 285765, 342918, 381020, 438173, 571530, 685836, 857295, 876346, 1143060, 1314519, 1714590, 1752692, 2190865, 2629038, 3429180, 3943557, 4381730, 5258076, 6572595, 7887114, 8763460, 13145190, 15774228, 19717785, 26290380, 39435570, 78871140]

約数ペア:

[(1, 78871140), (2, 39435570), (3, 26290380), (4, 19717785), (5, 15774228), (6, 13145190), (9, 8763460), (10, 7887114), (12, 6572595), (15, 5258076), (18, 4381730), (20, 3943557), (23, 3429180), (30, 2629038), (36, 2190865), (45, 1752692), (46, 1714590), (60, 1314519), (69, 1143060), (90, 876346), (92, 857295), (115, 685836), (138, 571530), (180, 438173), (207, 381020), (230, 342918), (276, 285765), (345, 228612), (414, 190510), (460, 171459), (690, 114306), (828, 95255), (1035, 76204), (1380, 57153), (2070, 38102), (4140, 19051)]