261000000

素因数分解:

$2^6\times 3^2\times 5^6\times {\mathrm{29}}^1$

素因数の和:77

約数の個数: 294

約数和(自身を含む): 967370430

約数和(自身を除く): 706370430

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 29, 30, 32, 36, 40, 45, 48, 50, 58, 60, 64, 72, 75, 80, 87, 90, 96, 100, 116, 120, 125, 144, 145, 150, 160, 174, 180, 192, 200, 225, 232, 240, 250, 261, 288, 290, 300, 320, 348, 360, 375, 400, 435, 450, 464, 480, 500, 522, 576, 580, 600, 625, 696, 720, 725, 750, 800, 870, 900, 928, 960, 1000, 1044, 1125, 1160, 1200, 1250, 1305, 1392, 1440, 1450, 1500, 1600, 1740, 1800, 1856, 1875, 2000, 2088, 2175, 2250, 2320, 2400, 2500, 2610, 2784, 2880, 2900, 3000, 3125, 3480, 3600, 3625, 3750, 4000, 4176, 4350, 4500, 4640, 4800, 5000, 5220, 5568, 5625, 5800, 6000, 6250, 6525, 6960, 7200, 7250, 7500, 8000, 8352, 8700, 9000, 9280, 9375, 10000, 10440, 10875, 11250, 11600, 12000, 12500, 13050, 13920, 14400, 14500, 15000, 15625, 16704, 17400, 18000, 18125, 18750, 20000, 20880, 21750, 22500, 23200, 24000, 25000, 26100, 27840, 28125, 29000, 30000, 31250, 32625, 34800, 36000, 36250, 37500, 40000, 41760, 43500, 45000, 46400, 46875, 50000, 52200, 54375, 56250, 58000, 60000, 62500, 65250, 69600, 72000, 72500, 75000, 83520, 87000, 90000, 90625, 93750, 100000, 104400, 108750, 112500, 116000, 120000, 125000, 130500, 139200, 140625, 145000, 150000, 163125, 174000, 180000, 181250, 187500, 200000, 208800, 217500, 225000, 232000, 250000, 261000, 271875, 281250, 290000, 300000, 326250, 348000, 360000, 362500, 375000, 417600, 435000, 450000, 453125, 500000, 522000, 543750, 562500, 580000, 600000, 652500, 696000, 725000, 750000, 815625, 870000, 900000, 906250, 1000000, 1044000, 1087500, 1125000, 1160000, 1305000, 1359375, 1450000, 1500000, 1631250, 1740000, 1800000, 1812500, 2088000, 2175000, 2250000, 2610000, 2718750, 2900000, 3000000, 3262500, 3480000, 3625000, 4078125, 4350000, 4500000, 5220000, 5437500, 5800000, 6525000, 7250000, 8156250, 8700000, 9000000, 10440000, 10875000, 13050000, 14500000, 16312500, 17400000, 21750000, 26100000, 29000000, 32625000, 43500000, 52200000, 65250000, 87000000, 130500000, 261000000]

約数ペア:

[(1, 261000000), (2, 130500000), (3, 87000000), (4, 65250000), (5, 52200000), (6, 43500000), (8, 32625000), (9, 29000000), (10, 26100000), (12, 21750000), (15, 17400000), (16, 16312500), (18, 14500000), (20, 13050000), (24, 10875000), (25, 10440000), (29, 9000000), (30, 8700000), (32, 8156250), (36, 7250000), (40, 6525000), (45, 5800000), (48, 5437500), (50, 5220000), (58, 4500000), (60, 4350000), (64, 4078125), (72, 3625000), (75, 3480000), (80, 3262500), (87, 3000000), (90, 2900000), (96, 2718750), (100, 2610000), (116, 2250000), (120, 2175000), (125, 2088000), (144, 1812500), (145, 1800000), (150, 1740000), (160, 1631250), (174, 1500000), (180, 1450000), (192, 1359375), (200, 1305000), (225, 1160000), (232, 1125000), (240, 1087500), (250, 1044000), (261, 1000000), (288, 906250), (290, 900000), (300, 870000), (320, 815625), (348, 750000), (360, 725000), (375, 696000), (400, 652500), (435, 600000), (450, 580000), (464, 562500), (480, 543750), (500, 522000), (522, 500000), (576, 453125), (580, 450000), (600, 435000), (625, 417600), (696, 375000), (720, 362500), (725, 360000), (750, 348000), (800, 326250), (870, 300000), (900, 290000), (928, 281250), (960, 271875), (1000, 261000), (1044, 250000), (1125, 232000), (1160, 225000), (1200, 217500), (1250, 208800), (1305, 200000), (1392, 187500), (1440, 181250), (1450, 180000), (1500, 174000), (1600, 163125), (1740, 150000), (1800, 145000), (1856, 140625), (1875, 139200), (2000, 130500), (2088, 125000), (2175, 120000), (2250, 116000), (2320, 112500), (2400, 108750), (2500, 104400), (2610, 100000), (2784, 93750), (2880, 90625), (2900, 90000), (3000, 87000), (3125, 83520), (3480, 75000), (3600, 72500), (3625, 72000), (3750, 69600), (4000, 65250), (4176, 62500), (4350, 60000), (4500, 58000), (4640, 56250), (4800, 54375), (5000, 52200), (5220, 50000), (5568, 46875), (5625, 46400), (5800, 45000), (6000, 43500), (6250, 41760), (6525, 40000), (6960, 37500), (7200, 36250), (7250, 36000), (7500, 34800), (8000, 32625), (8352, 31250), (8700, 30000), (9000, 29000), (9280, 28125), (9375, 27840), (10000, 26100), (10440, 25000), (10875, 24000), (11250, 23200), (11600, 22500), (12000, 21750), (12500, 20880), (13050, 20000), (13920, 18750), (14400, 18125), (14500, 18000), (15000, 17400), (15625, 16704)]