81766440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:552

約数の個数: 192

約数和(自身を含む): 308655360

約数和(自身を除く): 226888920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 71, 72, 84, 90, 105, 120, 126, 140, 142, 168, 180, 210, 213, 252, 280, 284, 315, 355, 360, 420, 426, 457, 497, 504, 568, 630, 639, 710, 840, 852, 914, 994, 1065, 1260, 1278, 1371, 1420, 1491, 1704, 1828, 1988, 2130, 2285, 2485, 2520, 2556, 2742, 2840, 2982, 3195, 3199, 3656, 3976, 4113, 4260, 4473, 4570, 4970, 5112, 5484, 5964, 6390, 6398, 6855, 7455, 8226, 8520, 8946, 9140, 9597, 9940, 10968, 11928, 12780, 12796, 13710, 14910, 15995, 16452, 17892, 18280, 19194, 19880, 20565, 22365, 25560, 25592, 27420, 28791, 29820, 31990, 32447, 32904, 35784, 38388, 41130, 44730, 47985, 54840, 57582, 59640, 63980, 64894, 76776, 82260, 89460, 95970, 97341, 115164, 127960, 129788, 143955, 162235, 164520, 178920, 191940, 194682, 227129, 230328, 259576, 287910, 292023, 324470, 383880, 389364, 454258, 486705, 575820, 584046, 648940, 681387, 778728, 908516, 973410, 1135645, 1151640, 1168092, 1297880, 1362774, 1460115, 1817032, 1946820, 2044161, 2271290, 2336184, 2725548, 2920230, 3406935, 3893640, 4088322, 4542580, 5451096, 5840460, 6813870, 8176644, 9085160, 10220805, 11680920, 13627740, 16353288, 20441610, 27255480, 40883220, 81766440]

約数ペア:

[(1, 81766440), (2, 40883220), (3, 27255480), (4, 20441610), (5, 16353288), (6, 13627740), (7, 11680920), (8, 10220805), (9, 9085160), (10, 8176644), (12, 6813870), (14, 5840460), (15, 5451096), (18, 4542580), (20, 4088322), (21, 3893640), (24, 3406935), (28, 2920230), (30, 2725548), (35, 2336184), (36, 2271290), (40, 2044161), (42, 1946820), (45, 1817032), (56, 1460115), (60, 1362774), (63, 1297880), (70, 1168092), (71, 1151640), (72, 1135645), (84, 973410), (90, 908516), (105, 778728), (120, 681387), (126, 648940), (140, 584046), (142, 575820), (168, 486705), (180, 454258), (210, 389364), (213, 383880), (252, 324470), (280, 292023), (284, 287910), (315, 259576), (355, 230328), (360, 227129), (420, 194682), (426, 191940), (457, 178920), (497, 164520), (504, 162235), (568, 143955), (630, 129788), (639, 127960), (710, 115164), (840, 97341), (852, 95970), (914, 89460), (994, 82260), (1065, 76776), (1260, 64894), (1278, 63980), (1371, 59640), (1420, 57582), (1491, 54840), (1704, 47985), (1828, 44730), (1988, 41130), (2130, 38388), (2285, 35784), (2485, 32904), (2520, 32447), (2556, 31990), (2742, 29820), (2840, 28791), (2982, 27420), (3195, 25592), (3199, 25560), (3656, 22365), (3976, 20565), (4113, 19880), (4260, 19194), (4473, 18280), (4570, 17892), (4970, 16452), (5112, 15995), (5484, 14910), (5964, 13710), (6390, 12796), (6398, 12780), (6855, 11928), (7455, 10968), (8226, 9940), (8520, 9597), (8946, 9140)]