19978662480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{41149}}^1$

素因数の和:41206

約数の個数: 240

約数和(自身を含む): 75191913600

約数和(自身を除く): 55213251120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 289, 336, 340, 357, 408, 420, 476, 510, 560, 578, 595, 680, 714, 816, 840, 867, 952, 1020, 1156, 1190, 1360, 1428, 1445, 1680, 1734, 1785, 1904, 2023, 2040, 2312, 2380, 2856, 2890, 3468, 3570, 4046, 4080, 4335, 4624, 4760, 5712, 5780, 6069, 6936, 7140, 8092, 8670, 9520, 10115, 11560, 12138, 13872, 14280, 16184, 17340, 20230, 23120, 24276, 28560, 30345, 32368, 34680, 40460, 41149, 48552, 60690, 69360, 80920, 82298, 97104, 121380, 123447, 161840, 164596, 205745, 242760, 246894, 288043, 329192, 411490, 485520, 493788, 576086, 617235, 658384, 699533, 822980, 864129, 987576, 1152172, 1234470, 1399066, 1440215, 1645960, 1728258, 1975152, 2098599, 2304344, 2468940, 2798132, 2880430, 3291920, 3456516, 3497665, 4197198, 4320645, 4608688, 4896731, 4937880, 5596264, 5760860, 6913032, 6995330, 8394396, 8641290, 9793462, 9875760, 10492995, 11192528, 11521720, 11892061, 13826064, 13990660, 14690193, 16788792, 17282580, 19586924, 20985990, 23043440, 23784122, 24483655, 27981320, 29380386, 33577584, 34565160, 35676183, 39173848, 41971980, 47568244, 48967310, 55962640, 58760772, 59460305, 69130320, 71352366, 73450965, 78347696, 83244427, 83943960, 95136488, 97934620, 117521544, 118920610, 142704732, 146901930, 166488854, 167887920, 178380915, 190272976, 195869240, 235043088, 237841220, 249733281, 285409464, 293803860, 332977708, 356761830, 391738480, 416222135, 475682440, 499466562, 570818928, 587607720, 665955416, 713523660, 832444270, 951364880, 998933124, 1175215440, 1248666405, 1331910832, 1427047320, 1664888540, 1997866248, 2497332810, 2854094640, 3329777080, 3995732496, 4994665620, 6659554160, 9989331240, 19978662480]

約数ペア:

[(1, 19978662480), (2, 9989331240), (3, 6659554160), (4, 4994665620), (5, 3995732496), (6, 3329777080), (7, 2854094640), (8, 2497332810), (10, 1997866248), (12, 1664888540), (14, 1427047320), (15, 1331910832), (16, 1248666405), (17, 1175215440), (20, 998933124), (21, 951364880), (24, 832444270), (28, 713523660), (30, 665955416), (34, 587607720), (35, 570818928), (40, 499466562), (42, 475682440), (48, 416222135), (51, 391738480), (56, 356761830), (60, 332977708), (68, 293803860), (70, 285409464), (80, 249733281), (84, 237841220), (85, 235043088), (102, 195869240), (105, 190272976), (112, 178380915), (119, 167887920), (120, 166488854), (136, 146901930), (140, 142704732), (168, 118920610), (170, 117521544), (204, 97934620), (210, 95136488), (238, 83943960), (240, 83244427), (255, 78347696), (272, 73450965), (280, 71352366), (289, 69130320), (336, 59460305), (340, 58760772), (357, 55962640), (408, 48967310), (420, 47568244), (476, 41971980), (510, 39173848), (560, 35676183), (578, 34565160), (595, 33577584), (680, 29380386), (714, 27981320), (816, 24483655), (840, 23784122), (867, 23043440), (952, 20985990), (1020, 19586924), (1156, 17282580), (1190, 16788792), (1360, 14690193), (1428, 13990660), (1445, 13826064), (1680, 11892061), (1734, 11521720), (1785, 11192528), (1904, 10492995), (2023, 9875760), (2040, 9793462), (2312, 8641290), (2380, 8394396), (2856, 6995330), (2890, 6913032), (3468, 5760860), (3570, 5596264), (4046, 4937880), (4080, 4896731), (4335, 4608688), (4624, 4320645), (4760, 4197198), (5712, 3497665), (5780, 3456516), (6069, 3291920), (6936, 2880430), (7140, 2798132), (8092, 2468940), (8670, 2304344), (9520, 2098599), (10115, 1975152), (11560, 1728258), (12138, 1645960), (13872, 1440215), (14280, 1399066), (16184, 1234470), (17340, 1152172), (20230, 987576), (23120, 864129), (24276, 822980), (28560, 699533), (30345, 658384), (32368, 617235), (34680, 576086), (40460, 493788), (41149, 485520), (48552, 411490), (60690, 329192), (69360, 288043), (80920, 246894), (82298, 242760), (97104, 205745), (121380, 164596), (123447, 161840)]