977221680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{223}}^1$

素因数の和:320

約数の個数: 240

約数和(自身を含む): 3309788160

約数和(自身を除く): 2332566480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 152, 155, 186, 190, 223, 228, 240, 248, 285, 304, 310, 372, 380, 446, 456, 465, 496, 570, 589, 620, 669, 744, 760, 892, 912, 930, 961, 1115, 1140, 1178, 1240, 1338, 1488, 1520, 1767, 1784, 1860, 1922, 2230, 2280, 2356, 2480, 2676, 2883, 2945, 3345, 3534, 3568, 3720, 3844, 4237, 4460, 4560, 4712, 4805, 5352, 5766, 5890, 6690, 6913, 7068, 7440, 7688, 8474, 8835, 8920, 9424, 9610, 10704, 11532, 11780, 12711, 13380, 13826, 14136, 14415, 15376, 16948, 17670, 17840, 18259, 19220, 20739, 21185, 23064, 23560, 25422, 26760, 27652, 28272, 28830, 33896, 34565, 35340, 36518, 38440, 41478, 42370, 46128, 47120, 50844, 53520, 54777, 55304, 57660, 63555, 67792, 69130, 70680, 73036, 76880, 82956, 84740, 91295, 101688, 103695, 109554, 110608, 115320, 127110, 131347, 138260, 141360, 146072, 165912, 169480, 182590, 203376, 207390, 214303, 219108, 230640, 254220, 262694, 273885, 276520, 292144, 331824, 338960, 365180, 394041, 414780, 428606, 438216, 508440, 525388, 547770, 553040, 642909, 656735, 730360, 788082, 829560, 857212, 876432, 1016880, 1050776, 1071515, 1095540, 1285818, 1313470, 1460720, 1576164, 1659120, 1714424, 1970205, 2101552, 2143030, 2191080, 2571636, 2626940, 3152328, 3214545, 3428848, 3940410, 4071757, 4286060, 4382160, 5143272, 5253880, 6304656, 6429090, 7880820, 8143514, 8572120, 10286544, 10507760, 12215271, 12858180, 15761640, 16287028, 17144240, 20358785, 24430542, 25716360, 31523280, 32574056, 40717570, 48861084, 51432720, 61076355, 65148112, 81435140, 97722168, 122152710, 162870280, 195444336, 244305420, 325740560, 488610840, 977221680]

約数ペア:

[(1, 977221680), (2, 488610840), (3, 325740560), (4, 244305420), (5, 195444336), (6, 162870280), (8, 122152710), (10, 97722168), (12, 81435140), (15, 65148112), (16, 61076355), (19, 51432720), (20, 48861084), (24, 40717570), (30, 32574056), (31, 31523280), (38, 25716360), (40, 24430542), (48, 20358785), (57, 17144240), (60, 16287028), (62, 15761640), (76, 12858180), (80, 12215271), (93, 10507760), (95, 10286544), (114, 8572120), (120, 8143514), (124, 7880820), (152, 6429090), (155, 6304656), (186, 5253880), (190, 5143272), (223, 4382160), (228, 4286060), (240, 4071757), (248, 3940410), (285, 3428848), (304, 3214545), (310, 3152328), (372, 2626940), (380, 2571636), (446, 2191080), (456, 2143030), (465, 2101552), (496, 1970205), (570, 1714424), (589, 1659120), (620, 1576164), (669, 1460720), (744, 1313470), (760, 1285818), (892, 1095540), (912, 1071515), (930, 1050776), (961, 1016880), (1115, 876432), (1140, 857212), (1178, 829560), (1240, 788082), (1338, 730360), (1488, 656735), (1520, 642909), (1767, 553040), (1784, 547770), (1860, 525388), (1922, 508440), (2230, 438216), (2280, 428606), (2356, 414780), (2480, 394041), (2676, 365180), (2883, 338960), (2945, 331824), (3345, 292144), (3534, 276520), (3568, 273885), (3720, 262694), (3844, 254220), (4237, 230640), (4460, 219108), (4560, 214303), (4712, 207390), (4805, 203376), (5352, 182590), (5766, 169480), (5890, 165912), (6690, 146072), (6913, 141360), (7068, 138260), (7440, 131347), (7688, 127110), (8474, 115320), (8835, 110608), (8920, 109554), (9424, 103695), (9610, 101688), (10704, 91295), (11532, 84740), (11780, 82956), (12711, 76880), (13380, 73036), (13826, 70680), (14136, 69130), (14415, 67792), (15376, 63555), (16948, 57660), (17670, 55304), (17840, 54777), (18259, 53520), (19220, 50844), (20739, 47120), (21185, 46128), (23064, 42370), (23560, 41478), (25422, 38440), (26760, 36518), (27652, 35340), (28272, 34565), (28830, 33896)]