131813760

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5281}}^1$

素因数の和:5316

約数の個数: 128

約数和(自身を含む): 452561760

約数和(自身を除く): 320748000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 5281, 6240, 8320, 10562, 12480, 15843, 21124, 24960, 26405, 31686, 42248, 52810, 63372, 68653, 79215, 84496, 105620, 126744, 137306, 158430, 168992, 205959, 211240, 253488, 274612, 316860, 337984, 343265, 411918, 422480, 506976, 549224, 633720, 675968, 686530, 823836, 844960, 1013952, 1029795, 1098448, 1267440, 1373060, 1647672, 1689920, 2027904, 2059590, 2196896, 2534880, 2746120, 3295344, 3379840, 4119180, 4393792, 5069760, 5492240, 6590688, 8238360, 8787584, 10139520, 10984480, 13181376, 16476720, 21968960, 26362752, 32953440, 43937920, 65906880, 131813760]

約数ペア:

[(1, 131813760), (2, 65906880), (3, 43937920), (4, 32953440), (5, 26362752), (6, 21968960), (8, 16476720), (10, 13181376), (12, 10984480), (13, 10139520), (15, 8787584), (16, 8238360), (20, 6590688), (24, 5492240), (26, 5069760), (30, 4393792), (32, 4119180), (39, 3379840), (40, 3295344), (48, 2746120), (52, 2534880), (60, 2196896), (64, 2059590), (65, 2027904), (78, 1689920), (80, 1647672), (96, 1373060), (104, 1267440), (120, 1098448), (128, 1029795), (130, 1013952), (156, 844960), (160, 823836), (192, 686530), (195, 675968), (208, 633720), (240, 549224), (260, 506976), (312, 422480), (320, 411918), (384, 343265), (390, 337984), (416, 316860), (480, 274612), (520, 253488), (624, 211240), (640, 205959), (780, 168992), (832, 158430), (960, 137306), (1040, 126744), (1248, 105620), (1560, 84496), (1664, 79215), (1920, 68653), (2080, 63372), (2496, 52810), (3120, 42248), (4160, 31686), (4992, 26405), (5281, 24960), (6240, 21124), (8320, 15843), (10562, 12480)]