81047400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:888

約数の個数: 192

約数和(自身を含む): 299980800

約数和(自身を除く): 218933400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 25, 28, 30, 35, 40, 42, 46, 50, 56, 60, 69, 70, 75, 84, 92, 100, 105, 115, 120, 138, 140, 150, 161, 168, 175, 184, 200, 210, 230, 276, 280, 300, 322, 345, 350, 420, 460, 483, 525, 552, 575, 600, 644, 690, 700, 805, 839, 840, 920, 966, 1050, 1150, 1288, 1380, 1400, 1610, 1678, 1725, 1932, 2100, 2300, 2415, 2517, 2760, 3220, 3356, 3450, 3864, 4025, 4195, 4200, 4600, 4830, 5034, 5873, 6440, 6712, 6900, 8050, 8390, 9660, 10068, 11746, 12075, 12585, 13800, 16100, 16780, 17619, 19297, 19320, 20136, 20975, 23492, 24150, 25170, 29365, 32200, 33560, 35238, 38594, 41950, 46984, 48300, 50340, 57891, 58730, 62925, 70476, 77188, 83900, 88095, 96485, 96600, 100680, 115782, 117460, 125850, 135079, 140952, 146825, 154376, 167800, 176190, 192970, 231564, 234920, 251700, 270158, 289455, 293650, 352380, 385940, 405237, 440475, 463128, 482425, 503400, 540316, 578910, 587300, 675395, 704760, 771880, 810474, 880950, 964850, 1080632, 1157820, 1174600, 1350790, 1447275, 1620948, 1761900, 1929700, 2026185, 2315640, 2701580, 2894550, 3241896, 3376975, 3523800, 3859400, 4052370, 5403160, 5789100, 6753950, 8104740, 10130925, 11578200, 13507900, 16209480, 20261850, 27015800, 40523700, 81047400]

約数ペア:

[(1, 81047400), (2, 40523700), (3, 27015800), (4, 20261850), (5, 16209480), (6, 13507900), (7, 11578200), (8, 10130925), (10, 8104740), (12, 6753950), (14, 5789100), (15, 5403160), (20, 4052370), (21, 3859400), (23, 3523800), (24, 3376975), (25, 3241896), (28, 2894550), (30, 2701580), (35, 2315640), (40, 2026185), (42, 1929700), (46, 1761900), (50, 1620948), (56, 1447275), (60, 1350790), (69, 1174600), (70, 1157820), (75, 1080632), (84, 964850), (92, 880950), (100, 810474), (105, 771880), (115, 704760), (120, 675395), (138, 587300), (140, 578910), (150, 540316), (161, 503400), (168, 482425), (175, 463128), (184, 440475), (200, 405237), (210, 385940), (230, 352380), (276, 293650), (280, 289455), (300, 270158), (322, 251700), (345, 234920), (350, 231564), (420, 192970), (460, 176190), (483, 167800), (525, 154376), (552, 146825), (575, 140952), (600, 135079), (644, 125850), (690, 117460), (700, 115782), (805, 100680), (839, 96600), (840, 96485), (920, 88095), (966, 83900), (1050, 77188), (1150, 70476), (1288, 62925), (1380, 58730), (1400, 57891), (1610, 50340), (1678, 48300), (1725, 46984), (1932, 41950), (2100, 38594), (2300, 35238), (2415, 33560), (2517, 32200), (2760, 29365), (3220, 25170), (3356, 24150), (3450, 23492), (3864, 20975), (4025, 20136), (4195, 19320), (4200, 19297), (4600, 17619), (4830, 16780), (5034, 16100), (5873, 13800), (6440, 12585), (6712, 12075), (6900, 11746), (8050, 10068), (8390, 9660)]