320985000

素因数分解:

$2^3\times 3^2\times 5^4\times 7^1\times {\mathrm{1019}}^1$

素因数の和:1058

約数の個数: 240

約数和(自身を含む): 1242727200

約数和(自身を除く): 921742200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 125, 126, 140, 150, 168, 175, 180, 200, 210, 225, 250, 252, 280, 300, 315, 350, 360, 375, 420, 450, 500, 504, 525, 600, 625, 630, 700, 750, 840, 875, 900, 1000, 1019, 1050, 1125, 1250, 1260, 1400, 1500, 1575, 1750, 1800, 1875, 2038, 2100, 2250, 2500, 2520, 2625, 3000, 3057, 3150, 3500, 3750, 4076, 4200, 4375, 4500, 5000, 5095, 5250, 5625, 6114, 6300, 7000, 7133, 7500, 7875, 8152, 8750, 9000, 9171, 10190, 10500, 11250, 12228, 12600, 13125, 14266, 15000, 15285, 15750, 17500, 18342, 20380, 21000, 21399, 22500, 24456, 25475, 26250, 28532, 30570, 31500, 35000, 35665, 36684, 39375, 40760, 42798, 45000, 45855, 50950, 52500, 57064, 61140, 63000, 64197, 71330, 73368, 76425, 78750, 85596, 91710, 101900, 105000, 106995, 122280, 127375, 128394, 142660, 152850, 157500, 171192, 178325, 183420, 203800, 213990, 229275, 254750, 256788, 285320, 305700, 315000, 320985, 356650, 366840, 382125, 427980, 458550, 509500, 513576, 534975, 611400, 636875, 641970, 713300, 764250, 855960, 891625, 917100, 1019000, 1069950, 1146375, 1273750, 1283940, 1426600, 1528500, 1604925, 1783250, 1834200, 1910625, 2139900, 2292750, 2547500, 2567880, 2674875, 3057000, 3209850, 3566500, 3821250, 4279800, 4458125, 4585500, 5095000, 5349750, 5731875, 6419700, 7133000, 7642500, 8024625, 8916250, 9171000, 10699500, 11463750, 12839400, 13374375, 15285000, 16049250, 17832500, 21399000, 22927500, 26748750, 32098500, 35665000, 40123125, 45855000, 53497500, 64197000, 80246250, 106995000, 160492500, 320985000]

約数ペア:

[(1, 320985000), (2, 160492500), (3, 106995000), (4, 80246250), (5, 64197000), (6, 53497500), (7, 45855000), (8, 40123125), (9, 35665000), (10, 32098500), (12, 26748750), (14, 22927500), (15, 21399000), (18, 17832500), (20, 16049250), (21, 15285000), (24, 13374375), (25, 12839400), (28, 11463750), (30, 10699500), (35, 9171000), (36, 8916250), (40, 8024625), (42, 7642500), (45, 7133000), (50, 6419700), (56, 5731875), (60, 5349750), (63, 5095000), (70, 4585500), (72, 4458125), (75, 4279800), (84, 3821250), (90, 3566500), (100, 3209850), (105, 3057000), (120, 2674875), (125, 2567880), (126, 2547500), (140, 2292750), (150, 2139900), (168, 1910625), (175, 1834200), (180, 1783250), (200, 1604925), (210, 1528500), (225, 1426600), (250, 1283940), (252, 1273750), (280, 1146375), (300, 1069950), (315, 1019000), (350, 917100), (360, 891625), (375, 855960), (420, 764250), (450, 713300), (500, 641970), (504, 636875), (525, 611400), (600, 534975), (625, 513576), (630, 509500), (700, 458550), (750, 427980), (840, 382125), (875, 366840), (900, 356650), (1000, 320985), (1019, 315000), (1050, 305700), (1125, 285320), (1250, 256788), (1260, 254750), (1400, 229275), (1500, 213990), (1575, 203800), (1750, 183420), (1800, 178325), (1875, 171192), (2038, 157500), (2100, 152850), (2250, 142660), (2500, 128394), (2520, 127375), (2625, 122280), (3000, 106995), (3057, 105000), (3150, 101900), (3500, 91710), (3750, 85596), (4076, 78750), (4200, 76425), (4375, 73368), (4500, 71330), (5000, 64197), (5095, 63000), (5250, 61140), (5625, 57064), (6114, 52500), (6300, 50950), (7000, 45855), (7133, 45000), (7500, 42798), (7875, 40760), (8152, 39375), (8750, 36684), (9000, 35665), (9171, 35000), (10190, 31500), (10500, 30570), (11250, 28532), (12228, 26250), (12600, 25475), (13125, 24456), (14266, 22500), (15000, 21399), (15285, 21000), (15750, 20380), (17500, 18342)]