21709200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:329

約数の個数: 120

約数和(自身を含む): 70729600

約数和(自身を除く): 49020400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 79, 80, 100, 120, 150, 158, 200, 229, 237, 240, 300, 316, 395, 400, 458, 474, 600, 632, 687, 790, 916, 948, 1145, 1185, 1200, 1264, 1374, 1580, 1832, 1896, 1975, 2290, 2370, 2748, 3160, 3435, 3664, 3792, 3950, 4580, 4740, 5496, 5725, 5925, 6320, 6870, 7900, 9160, 9480, 10992, 11450, 11850, 13740, 15800, 17175, 18091, 18320, 18960, 22900, 23700, 27480, 31600, 34350, 36182, 45800, 47400, 54273, 54960, 68700, 72364, 90455, 91600, 94800, 108546, 137400, 144728, 180910, 217092, 271365, 274800, 289456, 361820, 434184, 452275, 542730, 723640, 868368, 904550, 1085460, 1356825, 1447280, 1809100, 2170920, 2713650, 3618200, 4341840, 5427300, 7236400, 10854600, 21709200]

約数ペア:

[(1, 21709200), (2, 10854600), (3, 7236400), (4, 5427300), (5, 4341840), (6, 3618200), (8, 2713650), (10, 2170920), (12, 1809100), (15, 1447280), (16, 1356825), (20, 1085460), (24, 904550), (25, 868368), (30, 723640), (40, 542730), (48, 452275), (50, 434184), (60, 361820), (75, 289456), (79, 274800), (80, 271365), (100, 217092), (120, 180910), (150, 144728), (158, 137400), (200, 108546), (229, 94800), (237, 91600), (240, 90455), (300, 72364), (316, 68700), (395, 54960), (400, 54273), (458, 47400), (474, 45800), (600, 36182), (632, 34350), (687, 31600), (790, 27480), (916, 23700), (948, 22900), (1145, 18960), (1185, 18320), (1200, 18091), (1264, 17175), (1374, 15800), (1580, 13740), (1832, 11850), (1896, 11450), (1975, 10992), (2290, 9480), (2370, 9160), (2748, 7900), (3160, 6870), (3435, 6320), (3664, 5925), (3792, 5725), (3950, 5496), (4580, 4740)]