1987556940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2083}}^1$

素因数の和:2154

約数の個数: 240

約数和(自身を含む): 6778168320

約数和(自身を除く): 4790611380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 31, 36, 38, 45, 54, 57, 60, 62, 76, 81, 90, 93, 95, 108, 114, 124, 135, 155, 162, 171, 180, 186, 190, 228, 270, 279, 285, 310, 324, 342, 372, 380, 405, 465, 513, 540, 558, 570, 589, 620, 684, 810, 837, 855, 930, 1026, 1116, 1140, 1178, 1395, 1539, 1620, 1674, 1710, 1767, 1860, 2052, 2083, 2356, 2511, 2565, 2790, 2945, 3078, 3348, 3420, 3534, 4166, 4185, 5022, 5130, 5301, 5580, 5890, 6156, 6249, 7068, 7695, 8332, 8370, 8835, 10044, 10260, 10415, 10602, 11780, 12498, 12555, 15390, 15903, 16740, 17670, 18747, 20830, 21204, 24996, 25110, 26505, 30780, 31245, 31806, 35340, 37494, 39577, 41660, 47709, 50220, 53010, 56241, 62490, 63612, 64573, 74988, 79154, 79515, 93735, 95418, 106020, 112482, 118731, 124980, 129146, 158308, 159030, 168723, 187470, 190836, 193719, 197885, 224964, 237462, 238545, 258292, 281205, 318060, 322865, 337446, 356193, 374940, 387438, 395770, 474924, 477090, 562410, 581157, 593655, 645730, 674892, 712386, 774876, 791540, 843615, 954180, 968595, 1068579, 1124820, 1162314, 1187310, 1226887, 1291460, 1424772, 1687230, 1743471, 1780965, 1937190, 2137158, 2324628, 2374620, 2453774, 2905785, 3205737, 3374460, 3486942, 3561930, 3680661, 3874380, 4274316, 4907548, 5230413, 5342895, 5811570, 6134435, 6411474, 6973884, 7123860, 7361322, 8717355, 10460826, 10685790, 11041983, 11623140, 12268870, 12822948, 14722644, 16028685, 17434710, 18403305, 20921652, 21371580, 22083966, 24537740, 26152065, 32057370, 33125949, 34869420, 36806610, 44167932, 52304130, 55209915, 64114740, 66251898, 73613220, 99377847, 104608260, 110419830, 132503796, 165629745, 198755694, 220839660, 331259490, 397511388, 496889235, 662518980, 993778470, 1987556940]

約数ペア:

[(1, 1987556940), (2, 993778470), (3, 662518980), (4, 496889235), (5, 397511388), (6, 331259490), (9, 220839660), (10, 198755694), (12, 165629745), (15, 132503796), (18, 110419830), (19, 104608260), (20, 99377847), (27, 73613220), (30, 66251898), (31, 64114740), (36, 55209915), (38, 52304130), (45, 44167932), (54, 36806610), (57, 34869420), (60, 33125949), (62, 32057370), (76, 26152065), (81, 24537740), (90, 22083966), (93, 21371580), (95, 20921652), (108, 18403305), (114, 17434710), (124, 16028685), (135, 14722644), (155, 12822948), (162, 12268870), (171, 11623140), (180, 11041983), (186, 10685790), (190, 10460826), (228, 8717355), (270, 7361322), (279, 7123860), (285, 6973884), (310, 6411474), (324, 6134435), (342, 5811570), (372, 5342895), (380, 5230413), (405, 4907548), (465, 4274316), (513, 3874380), (540, 3680661), (558, 3561930), (570, 3486942), (589, 3374460), (620, 3205737), (684, 2905785), (810, 2453774), (837, 2374620), (855, 2324628), (930, 2137158), (1026, 1937190), (1116, 1780965), (1140, 1743471), (1178, 1687230), (1395, 1424772), (1539, 1291460), (1620, 1226887), (1674, 1187310), (1710, 1162314), (1767, 1124820), (1860, 1068579), (2052, 968595), (2083, 954180), (2356, 843615), (2511, 791540), (2565, 774876), (2790, 712386), (2945, 674892), (3078, 645730), (3348, 593655), (3420, 581157), (3534, 562410), (4166, 477090), (4185, 474924), (5022, 395770), (5130, 387438), (5301, 374940), (5580, 356193), (5890, 337446), (6156, 322865), (6249, 318060), (7068, 281205), (7695, 258292), (8332, 238545), (8370, 237462), (8835, 224964), (10044, 197885), (10260, 193719), (10415, 190836), (10602, 187470), (11780, 168723), (12498, 159030), (12555, 158308), (15390, 129146), (15903, 124980), (16740, 118731), (17670, 112482), (18747, 106020), (20830, 95418), (21204, 93735), (24996, 79515), (25110, 79154), (26505, 74988), (30780, 64573), (31245, 63612), (31806, 62490), (35340, 56241), (37494, 53010), (39577, 50220), (41660, 47709)]