61981140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{347}}^1$

素因数の和:601

約数の個数: 96

約数和(自身を含む): 188254080

約数和(自身を除く): 126272940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 229, 260, 347, 390, 458, 687, 694, 780, 916, 1041, 1145, 1374, 1388, 1735, 2082, 2290, 2748, 2977, 3435, 3470, 4164, 4511, 4580, 5205, 5954, 6870, 6940, 8931, 9022, 10410, 11908, 13533, 13740, 14885, 17862, 18044, 20820, 22555, 27066, 29770, 35724, 44655, 45110, 54132, 59540, 67665, 79463, 89310, 90220, 135330, 158926, 178620, 238389, 270660, 317852, 397315, 476778, 794630, 953556, 1033019, 1191945, 1589260, 2066038, 2383890, 3099057, 4132076, 4767780, 5165095, 6198114, 10330190, 12396228, 15495285, 20660380, 30990570, 61981140]

約数ペア:

[(1, 61981140), (2, 30990570), (3, 20660380), (4, 15495285), (5, 12396228), (6, 10330190), (10, 6198114), (12, 5165095), (13, 4767780), (15, 4132076), (20, 3099057), (26, 2383890), (30, 2066038), (39, 1589260), (52, 1191945), (60, 1033019), (65, 953556), (78, 794630), (130, 476778), (156, 397315), (195, 317852), (229, 270660), (260, 238389), (347, 178620), (390, 158926), (458, 135330), (687, 90220), (694, 89310), (780, 79463), (916, 67665), (1041, 59540), (1145, 54132), (1374, 45110), (1388, 44655), (1735, 35724), (2082, 29770), (2290, 27066), (2748, 22555), (2977, 20820), (3435, 18044), (3470, 17862), (4164, 14885), (4511, 13740), (4580, 13533), (5205, 11908), (5954, 10410), (6870, 9022), (6940, 8931)]