1949386320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20357}}^1$

素因数の和:20402

約数の個数: 240

約数和(自身を含む): 7876103040

約数和(自身を除く): 5926716720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2394, 2520, 2660, 2736, 3192, 3420, 3990, 4560, 4788, 5040, 5320, 5985, 6384, 6840, 7980, 9576, 10640, 11970, 13680, 15960, 19152, 20357, 23940, 31920, 40714, 47880, 61071, 81428, 95760, 101785, 122142, 142499, 162856, 183213, 203570, 244284, 284998, 305355, 325712, 366426, 386783, 407140, 427497, 488568, 569996, 610710, 712495, 732852, 773566, 814280, 854994, 916065, 977136, 1139992, 1160349, 1221420, 1282491, 1424990, 1465704, 1547132, 1628560, 1709988, 1832130, 1933915, 2137485, 2279984, 2320698, 2442840, 2564982, 2707481, 2849980, 2931408, 3094264, 3419976, 3481047, 3664260, 3867830, 4274970, 4641396, 4885680, 5129964, 5414962, 5699960, 5801745, 6188528, 6412455, 6839952, 6962094, 7328520, 7735660, 8122443, 8549940, 9282792, 10259928, 10829924, 11399920, 11603490, 12824910, 13537405, 13924188, 14657040, 15471320, 16244886, 17099880, 17405235, 18565584, 20519856, 21659848, 23206980, 24367329, 25649820, 27074810, 27848376, 30942640, 32489772, 34199760, 34810470, 40612215, 43319696, 46413960, 48734658, 51299640, 54149620, 55696752, 64979544, 69620940, 81224430, 92827920, 97469316, 102599280, 108299240, 121836645, 129959088, 139241880, 162448860, 194938632, 216598480, 243673290, 278483760, 324897720, 389877264, 487346580, 649795440, 974693160, 1949386320]

約数ペア:

[(1, 1949386320), (2, 974693160), (3, 649795440), (4, 487346580), (5, 389877264), (6, 324897720), (7, 278483760), (8, 243673290), (9, 216598480), (10, 194938632), (12, 162448860), (14, 139241880), (15, 129959088), (16, 121836645), (18, 108299240), (19, 102599280), (20, 97469316), (21, 92827920), (24, 81224430), (28, 69620940), (30, 64979544), (35, 55696752), (36, 54149620), (38, 51299640), (40, 48734658), (42, 46413960), (45, 43319696), (48, 40612215), (56, 34810470), (57, 34199760), (60, 32489772), (63, 30942640), (70, 27848376), (72, 27074810), (76, 25649820), (80, 24367329), (84, 23206980), (90, 21659848), (95, 20519856), (105, 18565584), (112, 17405235), (114, 17099880), (120, 16244886), (126, 15471320), (133, 14657040), (140, 13924188), (144, 13537405), (152, 12824910), (168, 11603490), (171, 11399920), (180, 10829924), (190, 10259928), (210, 9282792), (228, 8549940), (240, 8122443), (252, 7735660), (266, 7328520), (280, 6962094), (285, 6839952), (304, 6412455), (315, 6188528), (336, 5801745), (342, 5699960), (360, 5414962), (380, 5129964), (399, 4885680), (420, 4641396), (456, 4274970), (504, 3867830), (532, 3664260), (560, 3481047), (570, 3419976), (630, 3094264), (665, 2931408), (684, 2849980), (720, 2707481), (760, 2564982), (798, 2442840), (840, 2320698), (855, 2279984), (912, 2137485), (1008, 1933915), (1064, 1832130), (1140, 1709988), (1197, 1628560), (1260, 1547132), (1330, 1465704), (1368, 1424990), (1520, 1282491), (1596, 1221420), (1680, 1160349), (1710, 1139992), (1995, 977136), (2128, 916065), (2280, 854994), (2394, 814280), (2520, 773566), (2660, 732852), (2736, 712495), (3192, 610710), (3420, 569996), (3990, 488568), (4560, 427497), (4788, 407140), (5040, 386783), (5320, 366426), (5985, 325712), (6384, 305355), (6840, 284998), (7980, 244284), (9576, 203570), (10640, 183213), (11970, 162856), (13680, 142499), (15960, 122142), (19152, 101785), (20357, 95760), (23940, 81428), (31920, 61071), (40714, 47880)]