890215040

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:251

約数の個数: 256

約数和(自身を含む): 2553949440

約数和(自身を除く): 1663734400

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 71, 80, 88, 104, 110, 128, 130, 137, 142, 143, 160, 176, 208, 220, 260, 274, 284, 286, 320, 352, 355, 416, 440, 520, 548, 568, 572, 640, 685, 704, 710, 715, 781, 832, 880, 923, 1040, 1096, 1136, 1144, 1370, 1408, 1420, 1430, 1507, 1562, 1664, 1760, 1781, 1846, 2080, 2192, 2272, 2288, 2740, 2840, 2860, 3014, 3124, 3520, 3562, 3692, 3905, 4160, 4384, 4544, 4576, 4615, 5480, 5680, 5720, 6028, 6248, 7040, 7124, 7384, 7535, 7810, 8320, 8768, 8905, 9088, 9152, 9230, 9727, 10153, 10960, 11360, 11440, 12056, 12496, 14248, 14768, 15070, 15620, 17536, 17810, 18304, 18460, 19454, 19591, 20306, 21920, 22720, 22880, 24112, 24992, 28496, 29536, 30140, 31240, 35620, 36920, 38908, 39182, 40612, 43840, 45440, 45760, 48224, 48635, 49984, 50765, 56992, 59072, 60280, 62480, 71240, 73840, 77816, 78364, 81224, 87680, 91520, 96448, 97270, 97955, 99968, 101530, 106997, 113984, 118144, 120560, 124960, 126451, 142480, 147680, 155632, 156728, 162448, 192896, 194540, 195910, 203060, 213994, 227968, 241120, 249920, 252902, 284960, 295360, 311264, 313456, 324896, 389080, 391820, 406120, 427988, 482240, 499840, 505804, 534985, 569920, 590720, 622528, 626912, 632255, 649792, 778160, 783640, 812240, 855976, 964480, 1011608, 1069970, 1139840, 1245056, 1253824, 1264510, 1299584, 1390961, 1556320, 1567280, 1624480, 1711952, 2023216, 2139940, 2507648, 2529020, 2781922, 3112640, 3134560, 3248960, 3423904, 4046432, 4279880, 5058040, 5563844, 6225280, 6269120, 6497920, 6847808, 6954805, 8092864, 8559760, 10116080, 11127688, 12538240, 13695616, 13909610, 16185728, 17119520, 20232160, 22255376, 27819220, 34239040, 40464320, 44510752, 55638440, 68478080, 80928640, 89021504, 111276880, 178043008, 222553760, 445107520, 890215040]

約数ペア:

[(1, 890215040), (2, 445107520), (4, 222553760), (5, 178043008), (8, 111276880), (10, 89021504), (11, 80928640), (13, 68478080), (16, 55638440), (20, 44510752), (22, 40464320), (26, 34239040), (32, 27819220), (40, 22255376), (44, 20232160), (52, 17119520), (55, 16185728), (64, 13909610), (65, 13695616), (71, 12538240), (80, 11127688), (88, 10116080), (104, 8559760), (110, 8092864), (128, 6954805), (130, 6847808), (137, 6497920), (142, 6269120), (143, 6225280), (160, 5563844), (176, 5058040), (208, 4279880), (220, 4046432), (260, 3423904), (274, 3248960), (284, 3134560), (286, 3112640), (320, 2781922), (352, 2529020), (355, 2507648), (416, 2139940), (440, 2023216), (520, 1711952), (548, 1624480), (568, 1567280), (572, 1556320), (640, 1390961), (685, 1299584), (704, 1264510), (710, 1253824), (715, 1245056), (781, 1139840), (832, 1069970), (880, 1011608), (923, 964480), (1040, 855976), (1096, 812240), (1136, 783640), (1144, 778160), (1370, 649792), (1408, 632255), (1420, 626912), (1430, 622528), (1507, 590720), (1562, 569920), (1664, 534985), (1760, 505804), (1781, 499840), (1846, 482240), (2080, 427988), (2192, 406120), (2272, 391820), (2288, 389080), (2740, 324896), (2840, 313456), (2860, 311264), (3014, 295360), (3124, 284960), (3520, 252902), (3562, 249920), (3692, 241120), (3905, 227968), (4160, 213994), (4384, 203060), (4544, 195910), (4576, 194540), (4615, 192896), (5480, 162448), (5680, 156728), (5720, 155632), (6028, 147680), (6248, 142480), (7040, 126451), (7124, 124960), (7384, 120560), (7535, 118144), (7810, 113984), (8320, 106997), (8768, 101530), (8905, 99968), (9088, 97955), (9152, 97270), (9230, 96448), (9727, 91520), (10153, 87680), (10960, 81224), (11360, 78364), (11440, 77816), (12056, 73840), (12496, 71240), (14248, 62480), (14768, 60280), (15070, 59072), (15620, 56992), (17536, 50765), (17810, 49984), (18304, 48635), (18460, 48224), (19454, 45760), (19591, 45440), (20306, 43840), (21920, 40612), (22720, 39182), (22880, 38908), (24112, 36920), (24992, 35620), (28496, 31240), (29536, 30140)]