138888960

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{5167}}^1$

素因数の和:5198

約数の個数: 144

約数和(自身を含む): 507042816

約数和(自身を除く): 368153856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5167, 5376, 6720, 8960, 10334, 13440, 15501, 20668, 25835, 26880, 31002, 36169, 41336, 51670, 62004, 72338, 77505, 82672, 103340, 108507, 124008, 144676, 155010, 165344, 180845, 206680, 217014, 248016, 289352, 310020, 330688, 361690, 413360, 434028, 496032, 542535, 578704, 620040, 661376, 723380, 826720, 868056, 992064, 1085070, 1157408, 1240080, 1322752, 1446760, 1653440, 1736112, 1984128, 2170140, 2314816, 2480160, 2893520, 3306880, 3472224, 3968256, 4340280, 4629632, 4960320, 5787040, 6613760, 6944448, 8680560, 9259264, 9920640, 11574080, 13888896, 17361120, 19841280, 23148160, 27777792, 34722240, 46296320, 69444480, 138888960]

約数ペア:

[(1, 138888960), (2, 69444480), (3, 46296320), (4, 34722240), (5, 27777792), (6, 23148160), (7, 19841280), (8, 17361120), (10, 13888896), (12, 11574080), (14, 9920640), (15, 9259264), (16, 8680560), (20, 6944448), (21, 6613760), (24, 5787040), (28, 4960320), (30, 4629632), (32, 4340280), (35, 3968256), (40, 3472224), (42, 3306880), (48, 2893520), (56, 2480160), (60, 2314816), (64, 2170140), (70, 1984128), (80, 1736112), (84, 1653440), (96, 1446760), (105, 1322752), (112, 1240080), (120, 1157408), (128, 1085070), (140, 992064), (160, 868056), (168, 826720), (192, 723380), (210, 661376), (224, 620040), (240, 578704), (256, 542535), (280, 496032), (320, 434028), (336, 413360), (384, 361690), (420, 330688), (448, 310020), (480, 289352), (560, 248016), (640, 217014), (672, 206680), (768, 180845), (840, 165344), (896, 155010), (960, 144676), (1120, 124008), (1280, 108507), (1344, 103340), (1680, 82672), (1792, 77505), (1920, 72338), (2240, 62004), (2688, 51670), (3360, 41336), (3840, 36169), (4480, 31002), (5167, 26880), (5376, 25835), (6720, 20668), (8960, 15501), (10334, 13440)]