156789328820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{405287}}^1$

素因数の和:405377

約数の個数: 72

約数和(自身を含む): 355829894784

約数和(自身を除く): 199040565964

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 841, 1334, 1682, 2668, 3335, 3364, 4205, 6670, 8410, 13340, 16820, 19343, 38686, 77372, 96715, 193430, 386860, 405287, 810574, 1621148, 2026435, 4052870, 8105740, 9321601, 11753323, 18643202, 23506646, 37286404, 46608005, 47013292, 58766615, 93216010, 117533230, 186432020, 235066460, 270326429, 340846367, 540652858, 681692734, 1081305716, 1351632145, 1363385468, 1704231835, 2703264290, 3408463670, 5406528580, 6816927340, 7839466441, 15678932882, 31357865764, 39197332205, 78394664410, 156789328820]

約数ペア:

[(1, 156789328820), (2, 78394664410), (4, 39197332205), (5, 31357865764), (10, 15678932882), (20, 7839466441), (23, 6816927340), (29, 5406528580), (46, 3408463670), (58, 2703264290), (92, 1704231835), (115, 1363385468), (116, 1351632145), (145, 1081305716), (230, 681692734), (290, 540652858), (460, 340846367), (580, 270326429), (667, 235066460), (841, 186432020), (1334, 117533230), (1682, 93216010), (2668, 58766615), (3335, 47013292), (3364, 46608005), (4205, 37286404), (6670, 23506646), (8410, 18643202), (13340, 11753323), (16820, 9321601), (19343, 8105740), (38686, 4052870), (77372, 2026435), (96715, 1621148), (193430, 810574), (386860, 405287)]