78273580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 214081056

約数和(自身を除く): 135807476

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 53, 55, 70, 77, 98, 106, 110, 137, 140, 154, 196, 212, 220, 245, 265, 274, 308, 371, 385, 490, 530, 539, 548, 583, 685, 742, 770, 959, 980, 1060, 1078, 1166, 1370, 1484, 1507, 1540, 1855, 1918, 2156, 2332, 2597, 2695, 2740, 2915, 3014, 3710, 3836, 4081, 4795, 5194, 5390, 5830, 6028, 6713, 7261, 7420, 7535, 8162, 9590, 10388, 10549, 10780, 11660, 12985, 13426, 14522, 15070, 16324, 19180, 20405, 21098, 25970, 26852, 28567, 29044, 30140, 33565, 36305, 40810, 42196, 50827, 51940, 52745, 57134, 67130, 72610, 73843, 79871, 81620, 101654, 105490, 114268, 134260, 142835, 145220, 147686, 159742, 203308, 210980, 254135, 285670, 295372, 319484, 355789, 369215, 399355, 508270, 559097, 571340, 711578, 738430, 798710, 1016540, 1118194, 1423156, 1476860, 1597420, 1778945, 2236388, 2795485, 3557890, 3913679, 5590970, 7115780, 7827358, 11181940, 15654716, 19568395, 39136790, 78273580]

約数ペア:

[(1, 78273580), (2, 39136790), (4, 19568395), (5, 15654716), (7, 11181940), (10, 7827358), (11, 7115780), (14, 5590970), (20, 3913679), (22, 3557890), (28, 2795485), (35, 2236388), (44, 1778945), (49, 1597420), (53, 1476860), (55, 1423156), (70, 1118194), (77, 1016540), (98, 798710), (106, 738430), (110, 711578), (137, 571340), (140, 559097), (154, 508270), (196, 399355), (212, 369215), (220, 355789), (245, 319484), (265, 295372), (274, 285670), (308, 254135), (371, 210980), (385, 203308), (490, 159742), (530, 147686), (539, 145220), (548, 142835), (583, 134260), (685, 114268), (742, 105490), (770, 101654), (959, 81620), (980, 79871), (1060, 73843), (1078, 72610), (1166, 67130), (1370, 57134), (1484, 52745), (1507, 51940), (1540, 50827), (1855, 42196), (1918, 40810), (2156, 36305), (2332, 33565), (2597, 30140), (2695, 29044), (2740, 28567), (2915, 26852), (3014, 25970), (3710, 21098), (3836, 20405), (4081, 19180), (4795, 16324), (5194, 15070), (5390, 14522), (5830, 13426), (6028, 12985), (6713, 11660), (7261, 10780), (7420, 10549), (7535, 10388), (8162, 9590)]