38972640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{1657}}^1$

素因数の和:1689

約数の個数: 144

約数和(自身を含む): 142893072

約数和(自身を除く): 103920432

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1657, 1680, 1960, 2352, 2940, 3314, 3360, 3920, 4704, 4971, 5880, 6628, 7840, 8285, 9942, 11599, 11760, 13256, 16570, 19884, 23198, 23520, 24855, 26512, 33140, 34797, 39768, 46396, 49710, 53024, 57995, 66280, 69594, 79536, 81193, 92792, 99420, 115990, 132560, 139188, 159072, 162386, 173985, 185584, 198840, 231980, 243579, 265120, 278376, 324772, 347970, 371168, 397680, 405965, 463960, 487158, 556752, 649544, 695940, 795360, 811930, 927920, 974316, 1113504, 1217895, 1299088, 1391880, 1623860, 1855840, 1948632, 2435790, 2598176, 2783760, 3247720, 3897264, 4871580, 5567520, 6495440, 7794528, 9743160, 12990880, 19486320, 38972640]

約数ペア:

[(1, 38972640), (2, 19486320), (3, 12990880), (4, 9743160), (5, 7794528), (6, 6495440), (7, 5567520), (8, 4871580), (10, 3897264), (12, 3247720), (14, 2783760), (15, 2598176), (16, 2435790), (20, 1948632), (21, 1855840), (24, 1623860), (28, 1391880), (30, 1299088), (32, 1217895), (35, 1113504), (40, 974316), (42, 927920), (48, 811930), (49, 795360), (56, 695940), (60, 649544), (70, 556752), (80, 487158), (84, 463960), (96, 405965), (98, 397680), (105, 371168), (112, 347970), (120, 324772), (140, 278376), (147, 265120), (160, 243579), (168, 231980), (196, 198840), (210, 185584), (224, 173985), (240, 162386), (245, 159072), (280, 139188), (294, 132560), (336, 115990), (392, 99420), (420, 92792), (480, 81193), (490, 79536), (560, 69594), (588, 66280), (672, 57995), (735, 53024), (784, 49710), (840, 46396), (980, 39768), (1120, 34797), (1176, 33140), (1470, 26512), (1568, 24855), (1657, 23520), (1680, 23198), (1960, 19884), (2352, 16570), (2940, 13256), (3314, 11760), (3360, 11599), (3920, 9942), (4704, 8285), (4971, 7840), (5880, 6628)]