1981394064

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2707}}^1$

素因数の和:2774

約数の個数: 240

約数和(自身を含む): 6600327552

約数和(自身を除く): 4618933488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 23, 24, 26, 34, 36, 39, 46, 48, 51, 52, 68, 69, 72, 78, 92, 102, 104, 117, 136, 138, 144, 153, 156, 184, 204, 207, 208, 221, 234, 272, 276, 299, 306, 312, 368, 391, 408, 414, 442, 468, 552, 598, 612, 624, 663, 782, 816, 828, 884, 897, 936, 1104, 1173, 1196, 1224, 1326, 1564, 1656, 1768, 1794, 1872, 1989, 2346, 2392, 2448, 2652, 2691, 2707, 3128, 3312, 3519, 3536, 3588, 3978, 4692, 4784, 5083, 5304, 5382, 5414, 6256, 7038, 7176, 7956, 8121, 9384, 10166, 10608, 10764, 10828, 14076, 14352, 15249, 15912, 16242, 18768, 20332, 21528, 21656, 24363, 28152, 30498, 31824, 32484, 35191, 40664, 43056, 43312, 45747, 46019, 48726, 56304, 60996, 62261, 64968, 70382, 81328, 91494, 92038, 97452, 105573, 121992, 124522, 129936, 138057, 140764, 182988, 184076, 186783, 194904, 211146, 243984, 249044, 276114, 281528, 316719, 365976, 368152, 373566, 389808, 414171, 422292, 498088, 552228, 560349, 563056, 598247, 633438, 731952, 736304, 747132, 809393, 828342, 844584, 996176, 1058437, 1104456, 1120698, 1196494, 1266876, 1494264, 1618786, 1656684, 1689168, 1794741, 2116874, 2208912, 2241396, 2392988, 2428179, 2533752, 2988528, 3175311, 3237572, 3313368, 3589482, 4233748, 4482792, 4785976, 4856358, 5067504, 5384223, 6350622, 6475144, 6626736, 7178964, 7284537, 8467496, 8965584, 9525933, 9571952, 9712716, 10768446, 12701244, 12950288, 13759681, 14357928, 14569074, 16934992, 19051866, 19425432, 21536892, 25402488, 27519362, 28715856, 29138148, 38103732, 38850864, 41279043, 43073784, 50804976, 55038724, 58276296, 76207464, 82558086, 86147568, 110077448, 116552592, 123837129, 152414928, 165116172, 220154896, 247674258, 330232344, 495348516, 660464688, 990697032, 1981394064]

約数ペア:

[(1, 1981394064), (2, 990697032), (3, 660464688), (4, 495348516), (6, 330232344), (8, 247674258), (9, 220154896), (12, 165116172), (13, 152414928), (16, 123837129), (17, 116552592), (18, 110077448), (23, 86147568), (24, 82558086), (26, 76207464), (34, 58276296), (36, 55038724), (39, 50804976), (46, 43073784), (48, 41279043), (51, 38850864), (52, 38103732), (68, 29138148), (69, 28715856), (72, 27519362), (78, 25402488), (92, 21536892), (102, 19425432), (104, 19051866), (117, 16934992), (136, 14569074), (138, 14357928), (144, 13759681), (153, 12950288), (156, 12701244), (184, 10768446), (204, 9712716), (207, 9571952), (208, 9525933), (221, 8965584), (234, 8467496), (272, 7284537), (276, 7178964), (299, 6626736), (306, 6475144), (312, 6350622), (368, 5384223), (391, 5067504), (408, 4856358), (414, 4785976), (442, 4482792), (468, 4233748), (552, 3589482), (598, 3313368), (612, 3237572), (624, 3175311), (663, 2988528), (782, 2533752), (816, 2428179), (828, 2392988), (884, 2241396), (897, 2208912), (936, 2116874), (1104, 1794741), (1173, 1689168), (1196, 1656684), (1224, 1618786), (1326, 1494264), (1564, 1266876), (1656, 1196494), (1768, 1120698), (1794, 1104456), (1872, 1058437), (1989, 996176), (2346, 844584), (2392, 828342), (2448, 809393), (2652, 747132), (2691, 736304), (2707, 731952), (3128, 633438), (3312, 598247), (3519, 563056), (3536, 560349), (3588, 552228), (3978, 498088), (4692, 422292), (4784, 414171), (5083, 389808), (5304, 373566), (5382, 368152), (5414, 365976), (6256, 316719), (7038, 281528), (7176, 276114), (7956, 249044), (8121, 243984), (9384, 211146), (10166, 194904), (10608, 186783), (10764, 184076), (10828, 182988), (14076, 140764), (14352, 138057), (15249, 129936), (15912, 124522), (16242, 121992), (18768, 105573), (20332, 97452), (21528, 92038), (21656, 91494), (24363, 81328), (28152, 70382), (30498, 64968), (31824, 62261), (32484, 60996), (35191, 56304), (40664, 48726), (43056, 46019), (43312, 45747)]