287776720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 240

約数和(自身を含む): 873944064

約数和(自身を除く): 586167344

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 121, 124, 137, 140, 154, 155, 176, 217, 220, 242, 248, 274, 280, 308, 310, 341, 385, 434, 440, 484, 496, 548, 560, 605, 616, 620, 682, 685, 770, 847, 868, 880, 959, 968, 1085, 1096, 1210, 1232, 1240, 1364, 1370, 1507, 1540, 1694, 1705, 1736, 1918, 1936, 2170, 2192, 2387, 2420, 2480, 2728, 2740, 3014, 3080, 3388, 3410, 3472, 3751, 3836, 4235, 4247, 4340, 4774, 4795, 4840, 5456, 5480, 6028, 6160, 6776, 6820, 7502, 7535, 7672, 8470, 8494, 8680, 9548, 9590, 9680, 10549, 10960, 11935, 12056, 13552, 13640, 15004, 15070, 15344, 16577, 16940, 16988, 17360, 18755, 19096, 19180, 21098, 21235, 23870, 24112, 26257, 27280, 29729, 30008, 30140, 33154, 33880, 33976, 37510, 38192, 38360, 42196, 42470, 46717, 47740, 52514, 52745, 59458, 60016, 60280, 66308, 67760, 67952, 75020, 76720, 82885, 84392, 84940, 93434, 95480, 105028, 105490, 116039, 118916, 120560, 131285, 132616, 148645, 150040, 165770, 168784, 169880, 186868, 190960, 210056, 210980, 232078, 233585, 237832, 262570, 265232, 297290, 300080, 327019, 331540, 339760, 373736, 420112, 421960, 464156, 467170, 475664, 513887, 525140, 580195, 594580, 654038, 663080, 747472, 843920, 928312, 934340, 1027774, 1050280, 1160390, 1189160, 1308076, 1326160, 1635095, 1856624, 1868680, 2055548, 2100560, 2320780, 2378320, 2569435, 2616152, 3270190, 3597209, 3737360, 4111096, 4641560, 5138870, 5232304, 6540380, 7194418, 8222192, 9283120, 10277740, 13080760, 14388836, 17986045, 20555480, 26161520, 28777672, 35972090, 41110960, 57555344, 71944180, 143888360, 287776720]

約数ペア:

[(1, 287776720), (2, 143888360), (4, 71944180), (5, 57555344), (7, 41110960), (8, 35972090), (10, 28777672), (11, 26161520), (14, 20555480), (16, 17986045), (20, 14388836), (22, 13080760), (28, 10277740), (31, 9283120), (35, 8222192), (40, 7194418), (44, 6540380), (55, 5232304), (56, 5138870), (62, 4641560), (70, 4111096), (77, 3737360), (80, 3597209), (88, 3270190), (110, 2616152), (112, 2569435), (121, 2378320), (124, 2320780), (137, 2100560), (140, 2055548), (154, 1868680), (155, 1856624), (176, 1635095), (217, 1326160), (220, 1308076), (242, 1189160), (248, 1160390), (274, 1050280), (280, 1027774), (308, 934340), (310, 928312), (341, 843920), (385, 747472), (434, 663080), (440, 654038), (484, 594580), (496, 580195), (548, 525140), (560, 513887), (605, 475664), (616, 467170), (620, 464156), (682, 421960), (685, 420112), (770, 373736), (847, 339760), (868, 331540), (880, 327019), (959, 300080), (968, 297290), (1085, 265232), (1096, 262570), (1210, 237832), (1232, 233585), (1240, 232078), (1364, 210980), (1370, 210056), (1507, 190960), (1540, 186868), (1694, 169880), (1705, 168784), (1736, 165770), (1918, 150040), (1936, 148645), (2170, 132616), (2192, 131285), (2387, 120560), (2420, 118916), (2480, 116039), (2728, 105490), (2740, 105028), (3014, 95480), (3080, 93434), (3388, 84940), (3410, 84392), (3472, 82885), (3751, 76720), (3836, 75020), (4235, 67952), (4247, 67760), (4340, 66308), (4774, 60280), (4795, 60016), (4840, 59458), (5456, 52745), (5480, 52514), (6028, 47740), (6160, 46717), (6776, 42470), (6820, 42196), (7502, 38360), (7535, 38192), (7672, 37510), (8470, 33976), (8494, 33880), (8680, 33154), (9548, 30140), (9590, 30008), (9680, 29729), (10549, 27280), (10960, 26257), (11935, 24112), (12056, 23870), (13552, 21235), (13640, 21098), (15004, 19180), (15070, 19096), (15344, 18755), (16577, 17360), (16940, 16988)]