78489180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{809}}^1$

素因数の和:849

約数の個数: 216

約数和(自身を含む): 302505840

約数和(自身を除く): 224016660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 49, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 105, 110, 126, 132, 140, 147, 154, 165, 180, 196, 198, 210, 220, 231, 245, 252, 294, 308, 315, 330, 385, 396, 420, 441, 462, 490, 495, 539, 588, 630, 660, 693, 735, 770, 809, 882, 924, 980, 990, 1078, 1155, 1260, 1386, 1470, 1540, 1617, 1618, 1764, 1980, 2156, 2205, 2310, 2427, 2695, 2772, 2940, 3234, 3236, 3465, 4045, 4410, 4620, 4851, 4854, 5390, 5663, 6468, 6930, 7281, 8085, 8090, 8820, 8899, 9702, 9708, 10780, 11326, 12135, 13860, 14562, 16170, 16180, 16989, 17798, 19404, 22652, 24255, 24270, 26697, 28315, 29124, 32340, 33978, 35596, 36405, 39641, 44495, 48510, 48540, 50967, 53394, 56630, 62293, 67956, 72810, 79282, 80091, 84945, 88990, 97020, 101934, 106788, 113260, 118923, 124586, 133485, 145620, 158564, 160182, 169890, 177980, 186879, 198205, 203868, 237846, 249172, 254835, 266970, 311465, 320364, 339780, 356769, 373758, 396410, 400455, 436051, 475692, 509670, 533940, 560637, 594615, 622930, 713538, 747516, 792820, 800910, 872102, 934395, 1019340, 1121274, 1189230, 1245860, 1308153, 1427076, 1601820, 1744204, 1783845, 1868790, 2180255, 2242548, 2378460, 2616306, 2803185, 3567690, 3737580, 3924459, 4360510, 5232612, 5606370, 6540765, 7135380, 7848918, 8721020, 11212740, 13081530, 15697836, 19622295, 26163060, 39244590, 78489180]

約数ペア:

[(1, 78489180), (2, 39244590), (3, 26163060), (4, 19622295), (5, 15697836), (6, 13081530), (7, 11212740), (9, 8721020), (10, 7848918), (11, 7135380), (12, 6540765), (14, 5606370), (15, 5232612), (18, 4360510), (20, 3924459), (21, 3737580), (22, 3567690), (28, 2803185), (30, 2616306), (33, 2378460), (35, 2242548), (36, 2180255), (42, 1868790), (44, 1783845), (45, 1744204), (49, 1601820), (55, 1427076), (60, 1308153), (63, 1245860), (66, 1189230), (70, 1121274), (77, 1019340), (84, 934395), (90, 872102), (98, 800910), (99, 792820), (105, 747516), (110, 713538), (126, 622930), (132, 594615), (140, 560637), (147, 533940), (154, 509670), (165, 475692), (180, 436051), (196, 400455), (198, 396410), (210, 373758), (220, 356769), (231, 339780), (245, 320364), (252, 311465), (294, 266970), (308, 254835), (315, 249172), (330, 237846), (385, 203868), (396, 198205), (420, 186879), (441, 177980), (462, 169890), (490, 160182), (495, 158564), (539, 145620), (588, 133485), (630, 124586), (660, 118923), (693, 113260), (735, 106788), (770, 101934), (809, 97020), (882, 88990), (924, 84945), (980, 80091), (990, 79282), (1078, 72810), (1155, 67956), (1260, 62293), (1386, 56630), (1470, 53394), (1540, 50967), (1617, 48540), (1618, 48510), (1764, 44495), (1980, 39641), (2156, 36405), (2205, 35596), (2310, 33978), (2427, 32340), (2695, 29124), (2772, 28315), (2940, 26697), (3234, 24270), (3236, 24255), (3465, 22652), (4045, 19404), (4410, 17798), (4620, 16989), (4851, 16180), (4854, 16170), (5390, 14562), (5663, 13860), (6468, 12135), (6930, 11326), (7281, 10780), (8085, 9708), (8090, 9702), (8820, 8899)]