71785620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4481}}^1$

素因数の和:4585

約数の個数: 72

約数和(自身を含む): 220245480

約数和(自身を除く): 148459860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 4481, 5340, 8010, 8962, 13443, 16020, 17924, 22405, 26886, 40329, 44810, 53772, 67215, 80658, 89620, 134430, 161316, 201645, 268860, 398809, 403290, 797618, 806580, 1196427, 1595236, 1994045, 2392854, 3589281, 3988090, 4785708, 5982135, 7178562, 7976180, 11964270, 14357124, 17946405, 23928540, 35892810, 71785620]

約数ペア:

[(1, 71785620), (2, 35892810), (3, 23928540), (4, 17946405), (5, 14357124), (6, 11964270), (9, 7976180), (10, 7178562), (12, 5982135), (15, 4785708), (18, 3988090), (20, 3589281), (30, 2392854), (36, 1994045), (45, 1595236), (60, 1196427), (89, 806580), (90, 797618), (178, 403290), (180, 398809), (267, 268860), (356, 201645), (445, 161316), (534, 134430), (801, 89620), (890, 80658), (1068, 67215), (1335, 53772), (1602, 44810), (1780, 40329), (2670, 26886), (3204, 22405), (4005, 17924), (4481, 16020), (5340, 13443), (8010, 8962)]