51601680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:218

約数の個数: 240

約数和(自身を含む): 192956400

約数和(自身を除く): 141354720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 48, 52, 60, 65, 72, 74, 78, 80, 90, 104, 111, 117, 120, 130, 144, 148, 149, 156, 180, 185, 195, 208, 222, 234, 240, 260, 296, 298, 312, 333, 360, 370, 390, 444, 447, 468, 481, 520, 555, 585, 592, 596, 624, 666, 720, 740, 745, 780, 888, 894, 936, 962, 1040, 1110, 1170, 1192, 1332, 1341, 1443, 1480, 1490, 1560, 1665, 1776, 1788, 1872, 1924, 1937, 2220, 2235, 2340, 2384, 2405, 2664, 2682, 2886, 2960, 2980, 3120, 3330, 3576, 3848, 3874, 4329, 4440, 4470, 4680, 4810, 5328, 5364, 5513, 5772, 5811, 5960, 6660, 6705, 7152, 7215, 7696, 7748, 8658, 8880, 8940, 9360, 9620, 9685, 10728, 11026, 11544, 11622, 11920, 13320, 13410, 14430, 15496, 16539, 17316, 17433, 17880, 19240, 19370, 21456, 21645, 22052, 23088, 23244, 26640, 26820, 27565, 28860, 29055, 30992, 33078, 34632, 34866, 35760, 38480, 38740, 43290, 44104, 46488, 49617, 53640, 55130, 57720, 58110, 66156, 69264, 69732, 71669, 77480, 82695, 86580, 87165, 88208, 92976, 99234, 107280, 110260, 115440, 116220, 132312, 139464, 143338, 154960, 165390, 173160, 174330, 198468, 215007, 220520, 232440, 248085, 264624, 278928, 286676, 330780, 346320, 348660, 358345, 396936, 430014, 441040, 464880, 496170, 573352, 645021, 661560, 697320, 716690, 793872, 860028, 992340, 1075035, 1146704, 1290042, 1323120, 1394640, 1433380, 1720056, 1984680, 2150070, 2580084, 2866760, 3225105, 3440112, 3969360, 4300140, 5160168, 5733520, 6450210, 8600280, 10320336, 12900420, 17200560, 25800840, 51601680]

約数ペア:

[(1, 51601680), (2, 25800840), (3, 17200560), (4, 12900420), (5, 10320336), (6, 8600280), (8, 6450210), (9, 5733520), (10, 5160168), (12, 4300140), (13, 3969360), (15, 3440112), (16, 3225105), (18, 2866760), (20, 2580084), (24, 2150070), (26, 1984680), (30, 1720056), (36, 1433380), (37, 1394640), (39, 1323120), (40, 1290042), (45, 1146704), (48, 1075035), (52, 992340), (60, 860028), (65, 793872), (72, 716690), (74, 697320), (78, 661560), (80, 645021), (90, 573352), (104, 496170), (111, 464880), (117, 441040), (120, 430014), (130, 396936), (144, 358345), (148, 348660), (149, 346320), (156, 330780), (180, 286676), (185, 278928), (195, 264624), (208, 248085), (222, 232440), (234, 220520), (240, 215007), (260, 198468), (296, 174330), (298, 173160), (312, 165390), (333, 154960), (360, 143338), (370, 139464), (390, 132312), (444, 116220), (447, 115440), (468, 110260), (481, 107280), (520, 99234), (555, 92976), (585, 88208), (592, 87165), (596, 86580), (624, 82695), (666, 77480), (720, 71669), (740, 69732), (745, 69264), (780, 66156), (888, 58110), (894, 57720), (936, 55130), (962, 53640), (1040, 49617), (1110, 46488), (1170, 44104), (1192, 43290), (1332, 38740), (1341, 38480), (1443, 35760), (1480, 34866), (1490, 34632), (1560, 33078), (1665, 30992), (1776, 29055), (1788, 28860), (1872, 27565), (1924, 26820), (1937, 26640), (2220, 23244), (2235, 23088), (2340, 22052), (2384, 21645), (2405, 21456), (2664, 19370), (2682, 19240), (2886, 17880), (2960, 17433), (2980, 17316), (3120, 16539), (3330, 15496), (3576, 14430), (3848, 13410), (3874, 13320), (4329, 11920), (4440, 11622), (4470, 11544), (4680, 11026), (4810, 10728), (5328, 9685), (5364, 9620), (5513, 9360), (5772, 8940), (5811, 8880), (5960, 8658), (6660, 7748), (6705, 7696), (7152, 7215)]