178980000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 240

約数和(自身を含む): 621925920

約数和(自身を除く): 442945920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 32, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 96, 100, 114, 120, 125, 150, 152, 157, 160, 190, 200, 228, 240, 250, 285, 300, 304, 314, 375, 380, 400, 456, 471, 475, 480, 500, 570, 600, 608, 625, 628, 750, 760, 785, 800, 912, 942, 950, 1000, 1140, 1200, 1250, 1256, 1425, 1500, 1520, 1570, 1824, 1875, 1884, 1900, 2000, 2280, 2355, 2375, 2400, 2500, 2512, 2850, 2983, 3000, 3040, 3140, 3750, 3768, 3800, 3925, 4000, 4560, 4710, 4750, 5000, 5024, 5700, 5966, 6000, 6280, 7125, 7500, 7536, 7600, 7850, 8949, 9120, 9420, 9500, 10000, 11400, 11775, 11875, 11932, 12000, 12560, 14250, 14915, 15000, 15072, 15200, 15700, 17898, 18840, 19000, 19625, 20000, 22800, 23550, 23750, 23864, 25120, 28500, 29830, 30000, 31400, 35625, 35796, 37680, 38000, 39250, 44745, 45600, 47100, 47500, 47728, 57000, 58875, 59660, 60000, 62800, 71250, 71592, 74575, 75360, 76000, 78500, 89490, 94200, 95000, 95456, 98125, 114000, 117750, 119320, 125600, 142500, 143184, 149150, 157000, 178980, 188400, 190000, 196250, 223725, 228000, 235500, 238640, 285000, 286368, 294375, 298300, 314000, 357960, 372875, 376800, 380000, 392500, 447450, 471000, 477280, 570000, 588750, 596600, 628000, 715920, 745750, 785000, 894900, 942000, 1118625, 1140000, 1177500, 1193200, 1431840, 1491500, 1570000, 1789800, 1864375, 1884000, 2237250, 2355000, 2386400, 2983000, 3140000, 3579600, 3728750, 4474500, 4710000, 5593125, 5966000, 7159200, 7457500, 8949000, 9420000, 11186250, 11932000, 14915000, 17898000, 22372500, 29830000, 35796000, 44745000, 59660000, 89490000, 178980000]

約数ペア:

[(1, 178980000), (2, 89490000), (3, 59660000), (4, 44745000), (5, 35796000), (6, 29830000), (8, 22372500), (10, 17898000), (12, 14915000), (15, 11932000), (16, 11186250), (19, 9420000), (20, 8949000), (24, 7457500), (25, 7159200), (30, 5966000), (32, 5593125), (38, 4710000), (40, 4474500), (48, 3728750), (50, 3579600), (57, 3140000), (60, 2983000), (75, 2386400), (76, 2355000), (80, 2237250), (95, 1884000), (96, 1864375), (100, 1789800), (114, 1570000), (120, 1491500), (125, 1431840), (150, 1193200), (152, 1177500), (157, 1140000), (160, 1118625), (190, 942000), (200, 894900), (228, 785000), (240, 745750), (250, 715920), (285, 628000), (300, 596600), (304, 588750), (314, 570000), (375, 477280), (380, 471000), (400, 447450), (456, 392500), (471, 380000), (475, 376800), (480, 372875), (500, 357960), (570, 314000), (600, 298300), (608, 294375), (625, 286368), (628, 285000), (750, 238640), (760, 235500), (785, 228000), (800, 223725), (912, 196250), (942, 190000), (950, 188400), (1000, 178980), (1140, 157000), (1200, 149150), (1250, 143184), (1256, 142500), (1425, 125600), (1500, 119320), (1520, 117750), (1570, 114000), (1824, 98125), (1875, 95456), (1884, 95000), (1900, 94200), (2000, 89490), (2280, 78500), (2355, 76000), (2375, 75360), (2400, 74575), (2500, 71592), (2512, 71250), (2850, 62800), (2983, 60000), (3000, 59660), (3040, 58875), (3140, 57000), (3750, 47728), (3768, 47500), (3800, 47100), (3925, 45600), (4000, 44745), (4560, 39250), (4710, 38000), (4750, 37680), (5000, 35796), (5024, 35625), (5700, 31400), (5966, 30000), (6000, 29830), (6280, 28500), (7125, 25120), (7500, 23864), (7536, 23750), (7600, 23550), (7850, 22800), (8949, 20000), (9120, 19625), (9420, 19000), (9500, 18840), (10000, 17898), (11400, 15700), (11775, 15200), (11875, 15072), (11932, 15000), (12000, 14915), (12560, 14250)]