79673720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 216207360

約数和(自身を除く): 136533640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 67, 70, 124, 134, 137, 140, 155, 217, 248, 268, 274, 280, 310, 335, 434, 469, 536, 548, 620, 670, 685, 868, 938, 959, 1085, 1096, 1240, 1340, 1370, 1736, 1876, 1918, 2077, 2170, 2345, 2680, 2740, 3752, 3836, 4154, 4247, 4340, 4690, 4795, 5480, 7672, 8308, 8494, 8680, 9179, 9380, 9590, 10385, 14539, 16616, 16988, 18358, 18760, 19180, 20770, 21235, 29078, 29729, 33976, 36716, 38360, 41540, 42470, 45895, 58156, 59458, 64253, 72695, 73432, 83080, 84940, 91790, 116312, 118916, 128506, 145390, 148645, 169880, 183580, 237832, 257012, 284549, 290780, 297290, 321265, 367160, 514024, 569098, 581560, 594580, 642530, 1138196, 1189160, 1285060, 1422745, 1991843, 2276392, 2570120, 2845490, 3983686, 5690980, 7967372, 9959215, 11381960, 15934744, 19918430, 39836860, 79673720]

約数ペア:

[(1, 79673720), (2, 39836860), (4, 19918430), (5, 15934744), (7, 11381960), (8, 9959215), (10, 7967372), (14, 5690980), (20, 3983686), (28, 2845490), (31, 2570120), (35, 2276392), (40, 1991843), (56, 1422745), (62, 1285060), (67, 1189160), (70, 1138196), (124, 642530), (134, 594580), (137, 581560), (140, 569098), (155, 514024), (217, 367160), (248, 321265), (268, 297290), (274, 290780), (280, 284549), (310, 257012), (335, 237832), (434, 183580), (469, 169880), (536, 148645), (548, 145390), (620, 128506), (670, 118916), (685, 116312), (868, 91790), (938, 84940), (959, 83080), (1085, 73432), (1096, 72695), (1240, 64253), (1340, 59458), (1370, 58156), (1736, 45895), (1876, 42470), (1918, 41540), (2077, 38360), (2170, 36716), (2345, 33976), (2680, 29729), (2740, 29078), (3752, 21235), (3836, 20770), (4154, 19180), (4247, 18760), (4340, 18358), (4690, 16988), (4795, 16616), (5480, 14539), (7672, 10385), (8308, 9590), (8494, 9380), (8680, 9179)]