1018630920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:679

約数の個数: 128

約数和(自身を含む): 3104438400

約数和(自身を除く): 2085807480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 173, 278, 346, 353, 417, 519, 556, 692, 695, 706, 834, 865, 1038, 1059, 1112, 1384, 1390, 1412, 1668, 1730, 1765, 2076, 2085, 2118, 2595, 2780, 2824, 3336, 3460, 3530, 4152, 4170, 4236, 5190, 5295, 5560, 6920, 7060, 8340, 8472, 10380, 10590, 14120, 16680, 20760, 21180, 24047, 42360, 48094, 49067, 61069, 72141, 96188, 98134, 120235, 122138, 144282, 147201, 183207, 192376, 196268, 240470, 244276, 245335, 288564, 294402, 305345, 360705, 366414, 392536, 480940, 488552, 490670, 577128, 588804, 610690, 721410, 732828, 736005, 916035, 961880, 981340, 1177608, 1221380, 1442820, 1465656, 1472010, 1832070, 1962680, 2442760, 2885640, 2944020, 3664140, 5888040, 7328280, 8488591, 16977182, 25465773, 33954364, 42442955, 50931546, 67908728, 84885910, 101863092, 127328865, 169771820, 203726184, 254657730, 339543640, 509315460, 1018630920]

約数ペア:

[(1, 1018630920), (2, 509315460), (3, 339543640), (4, 254657730), (5, 203726184), (6, 169771820), (8, 127328865), (10, 101863092), (12, 84885910), (15, 67908728), (20, 50931546), (24, 42442955), (30, 33954364), (40, 25465773), (60, 16977182), (120, 8488591), (139, 7328280), (173, 5888040), (278, 3664140), (346, 2944020), (353, 2885640), (417, 2442760), (519, 1962680), (556, 1832070), (692, 1472010), (695, 1465656), (706, 1442820), (834, 1221380), (865, 1177608), (1038, 981340), (1059, 961880), (1112, 916035), (1384, 736005), (1390, 732828), (1412, 721410), (1668, 610690), (1730, 588804), (1765, 577128), (2076, 490670), (2085, 488552), (2118, 480940), (2595, 392536), (2780, 366414), (2824, 360705), (3336, 305345), (3460, 294402), (3530, 288564), (4152, 245335), (4170, 244276), (4236, 240470), (5190, 196268), (5295, 192376), (5560, 183207), (6920, 147201), (7060, 144282), (8340, 122138), (8472, 120235), (10380, 98134), (10590, 96188), (14120, 72141), (16680, 61069), (20760, 49067), (21180, 48094), (24047, 42360)]