240181830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:643

約数の個数: 144

約数和(自身を含む): 734657040

約数和(自身を除く): 494475210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 107, 126, 147, 210, 214, 245, 294, 315, 321, 441, 490, 509, 535, 630, 642, 735, 749, 882, 963, 1018, 1070, 1470, 1498, 1527, 1605, 1926, 2205, 2247, 2545, 3054, 3210, 3563, 3745, 4410, 4494, 4581, 4815, 5090, 5243, 6741, 7126, 7490, 7635, 9162, 9630, 10486, 10689, 11235, 13482, 15270, 15729, 17815, 21378, 22470, 22905, 24941, 26215, 31458, 32067, 33705, 35630, 45810, 47187, 49882, 52430, 53445, 54463, 64134, 67410, 74823, 78645, 94374, 106890, 108926, 124705, 149646, 157290, 160335, 163389, 224469, 235935, 249410, 272315, 320670, 326778, 374115, 381241, 448938, 471870, 490167, 544630, 748230, 762482, 816945, 980334, 1122345, 1143723, 1633890, 1906205, 2244690, 2287446, 2450835, 2668687, 3431169, 3812410, 4901670, 5337374, 5718615, 6862338, 8006061, 11437230, 13343435, 16012122, 17155845, 24018183, 26686870, 34311690, 40030305, 48036366, 80060610, 120090915, 240181830]

約数ペア:

[(1, 240181830), (2, 120090915), (3, 80060610), (5, 48036366), (6, 40030305), (7, 34311690), (9, 26686870), (10, 24018183), (14, 17155845), (15, 16012122), (18, 13343435), (21, 11437230), (30, 8006061), (35, 6862338), (42, 5718615), (45, 5337374), (49, 4901670), (63, 3812410), (70, 3431169), (90, 2668687), (98, 2450835), (105, 2287446), (107, 2244690), (126, 1906205), (147, 1633890), (210, 1143723), (214, 1122345), (245, 980334), (294, 816945), (315, 762482), (321, 748230), (441, 544630), (490, 490167), (509, 471870), (535, 448938), (630, 381241), (642, 374115), (735, 326778), (749, 320670), (882, 272315), (963, 249410), (1018, 235935), (1070, 224469), (1470, 163389), (1498, 160335), (1527, 157290), (1605, 149646), (1926, 124705), (2205, 108926), (2247, 106890), (2545, 94374), (3054, 78645), (3210, 74823), (3563, 67410), (3745, 64134), (4410, 54463), (4494, 53445), (4581, 52430), (4815, 49882), (5090, 47187), (5243, 45810), (6741, 35630), (7126, 33705), (7490, 32067), (7635, 31458), (9162, 26215), (9630, 24941), (10486, 22905), (10689, 22470), (11235, 21378), (13482, 17815), (15270, 15729)]