121719640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 332697600

約数和(自身を除く): 210977960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 56, 62, 70, 74, 124, 140, 148, 155, 185, 217, 248, 259, 280, 296, 310, 370, 379, 434, 518, 620, 740, 758, 868, 1036, 1085, 1147, 1240, 1295, 1480, 1516, 1736, 1895, 2072, 2170, 2294, 2590, 2653, 3032, 3790, 4340, 4588, 5180, 5306, 5735, 7580, 8029, 8680, 9176, 10360, 10612, 11470, 11749, 13265, 14023, 15160, 16058, 21224, 22940, 23498, 26530, 28046, 32116, 40145, 45880, 46996, 53060, 56092, 58745, 64232, 70115, 80290, 82243, 93992, 98161, 106120, 112184, 117490, 140230, 160580, 164486, 196322, 234980, 280460, 321160, 328972, 392644, 411215, 434713, 469960, 490805, 560920, 657944, 785288, 822430, 869426, 981610, 1644860, 1738852, 1963220, 2173565, 3042991, 3289720, 3477704, 3926440, 4347130, 6085982, 8694260, 12171964, 15214955, 17388520, 24343928, 30429910, 60859820, 121719640]

約数ペア:

[(1, 121719640), (2, 60859820), (4, 30429910), (5, 24343928), (7, 17388520), (8, 15214955), (10, 12171964), (14, 8694260), (20, 6085982), (28, 4347130), (31, 3926440), (35, 3477704), (37, 3289720), (40, 3042991), (56, 2173565), (62, 1963220), (70, 1738852), (74, 1644860), (124, 981610), (140, 869426), (148, 822430), (155, 785288), (185, 657944), (217, 560920), (248, 490805), (259, 469960), (280, 434713), (296, 411215), (310, 392644), (370, 328972), (379, 321160), (434, 280460), (518, 234980), (620, 196322), (740, 164486), (758, 160580), (868, 140230), (1036, 117490), (1085, 112184), (1147, 106120), (1240, 98161), (1295, 93992), (1480, 82243), (1516, 80290), (1736, 70115), (1895, 64232), (2072, 58745), (2170, 56092), (2294, 53060), (2590, 46996), (2653, 45880), (3032, 40145), (3790, 32116), (4340, 28046), (4588, 26530), (5180, 23498), (5306, 22940), (5735, 21224), (7580, 16058), (8029, 15160), (8680, 14023), (9176, 13265), (10360, 11749), (10612, 11470)]