838640520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:765

約数の個数: 256

約数和(自身を含む): 2968012800

約数和(自身を除く): 2129372280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 37, 40, 45, 54, 60, 62, 72, 74, 90, 93, 108, 111, 120, 124, 135, 148, 155, 180, 185, 186, 216, 222, 248, 270, 279, 296, 310, 333, 360, 370, 372, 444, 465, 540, 555, 558, 620, 666, 677, 740, 744, 837, 888, 930, 999, 1080, 1110, 1116, 1147, 1240, 1332, 1354, 1395, 1480, 1665, 1674, 1860, 1998, 2031, 2220, 2232, 2294, 2664, 2708, 2790, 3330, 3348, 3385, 3441, 3720, 3996, 4062, 4185, 4440, 4588, 4995, 5416, 5580, 5735, 6093, 6660, 6696, 6770, 6882, 7992, 8124, 8370, 9176, 9990, 10155, 10323, 11160, 11470, 12186, 13320, 13540, 13764, 16248, 16740, 17205, 18279, 19980, 20310, 20646, 20987, 22940, 24372, 25049, 27080, 27528, 30465, 30969, 33480, 34410, 36558, 39960, 40620, 41292, 41974, 45880, 48744, 50098, 51615, 60930, 61938, 62961, 68820, 73116, 75147, 81240, 82584, 83948, 91395, 100196, 103230, 104935, 121860, 123876, 125245, 125922, 137640, 146232, 150294, 154845, 167896, 182790, 188883, 200392, 206460, 209870, 225441, 243720, 247752, 250490, 251844, 300588, 309690, 314805, 365580, 375735, 377766, 412920, 419740, 450882, 500980, 503688, 566649, 601176, 619380, 629610, 676323, 731160, 751470, 755532, 776519, 839480, 901764, 944415, 1001960, 1127205, 1133298, 1238760, 1259220, 1352646, 1502940, 1511064, 1553038, 1803528, 1888830, 2254410, 2266596, 2329557, 2518440, 2705292, 2833245, 3005880, 3106076, 3381615, 3777660, 3882595, 4508820, 4533192, 4659114, 5410584, 5666490, 6212152, 6763230, 6988671, 7555320, 7765190, 9017640, 9318228, 11332980, 11647785, 13526460, 13977342, 15530380, 18636456, 20966013, 22665960, 23295570, 27052920, 27954684, 31060760, 34943355, 41932026, 46591140, 55909368, 69886710, 83864052, 93182280, 104830065, 139773420, 167728104, 209660130, 279546840, 419320260, 838640520]

約数ペア:

[(1, 838640520), (2, 419320260), (3, 279546840), (4, 209660130), (5, 167728104), (6, 139773420), (8, 104830065), (9, 93182280), (10, 83864052), (12, 69886710), (15, 55909368), (18, 46591140), (20, 41932026), (24, 34943355), (27, 31060760), (30, 27954684), (31, 27052920), (36, 23295570), (37, 22665960), (40, 20966013), (45, 18636456), (54, 15530380), (60, 13977342), (62, 13526460), (72, 11647785), (74, 11332980), (90, 9318228), (93, 9017640), (108, 7765190), (111, 7555320), (120, 6988671), (124, 6763230), (135, 6212152), (148, 5666490), (155, 5410584), (180, 4659114), (185, 4533192), (186, 4508820), (216, 3882595), (222, 3777660), (248, 3381615), (270, 3106076), (279, 3005880), (296, 2833245), (310, 2705292), (333, 2518440), (360, 2329557), (370, 2266596), (372, 2254410), (444, 1888830), (465, 1803528), (540, 1553038), (555, 1511064), (558, 1502940), (620, 1352646), (666, 1259220), (677, 1238760), (740, 1133298), (744, 1127205), (837, 1001960), (888, 944415), (930, 901764), (999, 839480), (1080, 776519), (1110, 755532), (1116, 751470), (1147, 731160), (1240, 676323), (1332, 629610), (1354, 619380), (1395, 601176), (1480, 566649), (1665, 503688), (1674, 500980), (1860, 450882), (1998, 419740), (2031, 412920), (2220, 377766), (2232, 375735), (2294, 365580), (2664, 314805), (2708, 309690), (2790, 300588), (3330, 251844), (3348, 250490), (3385, 247752), (3441, 243720), (3720, 225441), (3996, 209870), (4062, 206460), (4185, 200392), (4440, 188883), (4588, 182790), (4995, 167896), (5416, 154845), (5580, 150294), (5735, 146232), (6093, 137640), (6660, 125922), (6696, 125245), (6770, 123876), (6882, 121860), (7992, 104935), (8124, 103230), (8370, 100196), (9176, 91395), (9990, 83948), (10155, 82584), (10323, 81240), (11160, 75147), (11470, 73116), (12186, 68820), (13320, 62961), (13540, 61938), (13764, 60930), (16248, 51615), (16740, 50098), (17205, 48744), (18279, 45880), (19980, 41974), (20310, 41292), (20646, 40620), (20987, 39960), (22940, 36558), (24372, 34410), (25049, 33480), (27080, 30969), (27528, 30465)]