30721950

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{3251}}^1$

素因数の和:3279

約数の個数: 96

約数和(自身を含む): 96779520

約数和(自身を除く): 66057570

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 90, 105, 126, 135, 150, 175, 189, 210, 225, 270, 315, 350, 378, 450, 525, 630, 675, 945, 1050, 1350, 1575, 1890, 3150, 3251, 4725, 6502, 9450, 9753, 16255, 19506, 22757, 29259, 32510, 45514, 48765, 58518, 68271, 81275, 87777, 97530, 113785, 136542, 146295, 162550, 175554, 204813, 227570, 243825, 292590, 341355, 409626, 438885, 487650, 568925, 614439, 682710, 731475, 877770, 1024065, 1137850, 1228878, 1462950, 1706775, 2048130, 2194425, 3072195, 3413550, 4388850, 5120325, 6144390, 10240650, 15360975, 30721950]

約数ペア:

[(1, 30721950), (2, 15360975), (3, 10240650), (5, 6144390), (6, 5120325), (7, 4388850), (9, 3413550), (10, 3072195), (14, 2194425), (15, 2048130), (18, 1706775), (21, 1462950), (25, 1228878), (27, 1137850), (30, 1024065), (35, 877770), (42, 731475), (45, 682710), (50, 614439), (54, 568925), (63, 487650), (70, 438885), (75, 409626), (90, 341355), (105, 292590), (126, 243825), (135, 227570), (150, 204813), (175, 175554), (189, 162550), (210, 146295), (225, 136542), (270, 113785), (315, 97530), (350, 87777), (378, 81275), (450, 68271), (525, 58518), (630, 48765), (675, 45514), (945, 32510), (1050, 29259), (1350, 22757), (1575, 19506), (1890, 16255), (3150, 9753), (3251, 9450), (4725, 6502)]