12538240

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 35471520

約数和(自身を除く): 22933280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 137, 143, 160, 176, 208, 220, 260, 274, 286, 320, 352, 416, 440, 520, 548, 572, 640, 685, 704, 715, 832, 880, 1040, 1096, 1144, 1370, 1408, 1430, 1507, 1664, 1760, 1781, 2080, 2192, 2288, 2740, 2860, 3014, 3520, 3562, 4160, 4384, 4576, 5480, 5720, 6028, 7040, 7124, 7535, 8320, 8768, 8905, 9152, 10960, 11440, 12056, 14248, 15070, 17536, 17810, 18304, 19591, 21920, 22880, 24112, 28496, 30140, 35620, 39182, 43840, 45760, 48224, 56992, 60280, 71240, 78364, 87680, 91520, 96448, 97955, 113984, 120560, 142480, 156728, 192896, 195910, 227968, 241120, 284960, 313456, 391820, 482240, 569920, 626912, 783640, 964480, 1139840, 1253824, 1567280, 2507648, 3134560, 6269120, 12538240]

約数ペア:

[(1, 12538240), (2, 6269120), (4, 3134560), (5, 2507648), (8, 1567280), (10, 1253824), (11, 1139840), (13, 964480), (16, 783640), (20, 626912), (22, 569920), (26, 482240), (32, 391820), (40, 313456), (44, 284960), (52, 241120), (55, 227968), (64, 195910), (65, 192896), (80, 156728), (88, 142480), (104, 120560), (110, 113984), (128, 97955), (130, 96448), (137, 91520), (143, 87680), (160, 78364), (176, 71240), (208, 60280), (220, 56992), (260, 48224), (274, 45760), (286, 43840), (320, 39182), (352, 35620), (416, 30140), (440, 28496), (520, 24112), (548, 22880), (572, 21920), (640, 19591), (685, 18304), (704, 17810), (715, 17536), (832, 15070), (880, 14248), (1040, 12056), (1096, 11440), (1144, 10960), (1370, 9152), (1408, 8905), (1430, 8768), (1507, 8320), (1664, 7535), (1760, 7124), (1781, 7040), (2080, 6028), (2192, 5720), (2288, 5480), (2740, 4576), (2860, 4384), (3014, 4160), (3520, 3562)]