261505140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3767}}^1$

素因数の和:3881

約数の個数: 96

約数和(自身を含む): 797610240

約数和(自身を除く): 536105100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 89, 130, 156, 178, 195, 260, 267, 356, 390, 445, 534, 780, 890, 1068, 1157, 1335, 1780, 2314, 2670, 3471, 3767, 4628, 5340, 5785, 6942, 7534, 11301, 11570, 13884, 15068, 17355, 18835, 22602, 23140, 34710, 37670, 45204, 48971, 56505, 69420, 75340, 97942, 113010, 146913, 195884, 226020, 244855, 293826, 335263, 489710, 587652, 670526, 734565, 979420, 1005789, 1341052, 1469130, 1676315, 2011578, 2938260, 3352630, 4023156, 4358419, 5028945, 6705260, 8716838, 10057890, 13075257, 17433676, 20115780, 21792095, 26150514, 43584190, 52301028, 65376285, 87168380, 130752570, 261505140]

約数ペア:

[(1, 261505140), (2, 130752570), (3, 87168380), (4, 65376285), (5, 52301028), (6, 43584190), (10, 26150514), (12, 21792095), (13, 20115780), (15, 17433676), (20, 13075257), (26, 10057890), (30, 8716838), (39, 6705260), (52, 5028945), (60, 4358419), (65, 4023156), (78, 3352630), (89, 2938260), (130, 2011578), (156, 1676315), (178, 1469130), (195, 1341052), (260, 1005789), (267, 979420), (356, 734565), (390, 670526), (445, 587652), (534, 489710), (780, 335263), (890, 293826), (1068, 244855), (1157, 226020), (1335, 195884), (1780, 146913), (2314, 113010), (2670, 97942), (3471, 75340), (3767, 69420), (4628, 56505), (5340, 48971), (5785, 45204), (6942, 37670), (7534, 34710), (11301, 23140), (11570, 22602), (13884, 18835), (15068, 17355)]