77978640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:317

約数の個数: 160

約数和(自身を含む): 255983616

約数和(自身を除く): 178004976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 47, 48, 60, 62, 80, 93, 94, 120, 124, 141, 155, 186, 188, 223, 235, 240, 248, 282, 310, 372, 376, 446, 465, 470, 496, 564, 620, 669, 705, 744, 752, 892, 930, 940, 1115, 1128, 1240, 1338, 1410, 1457, 1488, 1784, 1860, 1880, 2230, 2256, 2480, 2676, 2820, 2914, 3345, 3568, 3720, 3760, 4371, 4460, 5352, 5640, 5828, 6690, 6913, 7285, 7440, 8742, 8920, 10481, 10704, 11280, 11656, 13380, 13826, 14570, 17484, 17840, 20739, 20962, 21855, 23312, 26760, 27652, 29140, 31443, 34565, 34968, 41478, 41924, 43710, 52405, 53520, 55304, 58280, 62886, 69130, 69936, 82956, 83848, 87420, 103695, 104810, 110608, 116560, 125772, 138260, 157215, 165912, 167696, 174840, 207390, 209620, 251544, 276520, 314430, 324911, 331824, 349680, 414780, 419240, 503088, 553040, 628860, 649822, 829560, 838480, 974733, 1257720, 1299644, 1624555, 1659120, 1949466, 2515440, 2599288, 3249110, 3898932, 4873665, 5198576, 6498220, 7797864, 9747330, 12996440, 15595728, 19494660, 25992880, 38989320, 77978640]

約数ペア:

[(1, 77978640), (2, 38989320), (3, 25992880), (4, 19494660), (5, 15595728), (6, 12996440), (8, 9747330), (10, 7797864), (12, 6498220), (15, 5198576), (16, 4873665), (20, 3898932), (24, 3249110), (30, 2599288), (31, 2515440), (40, 1949466), (47, 1659120), (48, 1624555), (60, 1299644), (62, 1257720), (80, 974733), (93, 838480), (94, 829560), (120, 649822), (124, 628860), (141, 553040), (155, 503088), (186, 419240), (188, 414780), (223, 349680), (235, 331824), (240, 324911), (248, 314430), (282, 276520), (310, 251544), (372, 209620), (376, 207390), (446, 174840), (465, 167696), (470, 165912), (496, 157215), (564, 138260), (620, 125772), (669, 116560), (705, 110608), (744, 104810), (752, 103695), (892, 87420), (930, 83848), (940, 82956), (1115, 69936), (1128, 69130), (1240, 62886), (1338, 58280), (1410, 55304), (1457, 53520), (1488, 52405), (1784, 43710), (1860, 41924), (1880, 41478), (2230, 34968), (2256, 34565), (2480, 31443), (2676, 29140), (2820, 27652), (2914, 26760), (3345, 23312), (3568, 21855), (3720, 20962), (3760, 20739), (4371, 17840), (4460, 17484), (5352, 14570), (5640, 13826), (5828, 13380), (6690, 11656), (6913, 11280), (7285, 10704), (7440, 10481), (8742, 8920)]