1817941720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1\times {\mathrm{463}}^1$

素因数の和:897

約数の個数: 128

約数和(自身を含む): 4824115200

約数和(自身を除く): 3006173480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 379, 463, 518, 740, 758, 926, 1036, 1295, 1480, 1516, 1852, 1895, 2072, 2315, 2590, 2653, 3032, 3241, 3704, 3790, 4630, 5180, 5306, 6482, 7580, 9260, 10360, 10612, 12964, 13265, 14023, 15160, 16205, 17131, 18520, 21224, 25928, 26530, 28046, 32410, 34262, 53060, 56092, 64820, 68524, 70115, 85655, 98161, 106120, 112184, 119917, 129640, 137048, 140230, 171310, 175477, 196322, 239834, 280460, 342620, 350954, 392644, 479668, 490805, 560920, 599585, 685240, 701908, 785288, 877385, 959336, 981610, 1199170, 1228339, 1403816, 1754770, 1963220, 2398340, 2456678, 3509540, 3926440, 4796680, 4913356, 6141695, 6492649, 7019080, 9826712, 12283390, 12985298, 24566780, 25970596, 32463245, 45448543, 49133560, 51941192, 64926490, 90897086, 129852980, 181794172, 227242715, 259705960, 363588344, 454485430, 908970860, 1817941720]

約数ペア:

[(1, 1817941720), (2, 908970860), (4, 454485430), (5, 363588344), (7, 259705960), (8, 227242715), (10, 181794172), (14, 129852980), (20, 90897086), (28, 64926490), (35, 51941192), (37, 49133560), (40, 45448543), (56, 32463245), (70, 25970596), (74, 24566780), (140, 12985298), (148, 12283390), (185, 9826712), (259, 7019080), (280, 6492649), (296, 6141695), (370, 4913356), (379, 4796680), (463, 3926440), (518, 3509540), (740, 2456678), (758, 2398340), (926, 1963220), (1036, 1754770), (1295, 1403816), (1480, 1228339), (1516, 1199170), (1852, 981610), (1895, 959336), (2072, 877385), (2315, 785288), (2590, 701908), (2653, 685240), (3032, 599585), (3241, 560920), (3704, 490805), (3790, 479668), (4630, 392644), (5180, 350954), (5306, 342620), (6482, 280460), (7580, 239834), (9260, 196322), (10360, 175477), (10612, 171310), (12964, 140230), (13265, 137048), (14023, 129640), (15160, 119917), (16205, 112184), (17131, 106120), (18520, 98161), (21224, 85655), (25928, 70115), (26530, 68524), (28046, 64820), (32410, 56092), (34262, 53060)]