1916122880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2707}}^1$

素因数の和:2814

約数の個数: 144

約数和(自身を含む): 5313745920

約数和(自身を除く): 3397623040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 256, 280, 316, 320, 395, 448, 553, 560, 632, 640, 790, 896, 1106, 1120, 1264, 1280, 1580, 1792, 2212, 2240, 2528, 2707, 2765, 3160, 4424, 4480, 5056, 5414, 5530, 6320, 8848, 8960, 10112, 10828, 11060, 12640, 13535, 17696, 18949, 20224, 21656, 22120, 25280, 27070, 35392, 37898, 43312, 44240, 50560, 54140, 70784, 75796, 86624, 88480, 94745, 101120, 108280, 141568, 151592, 173248, 176960, 189490, 213853, 216560, 303184, 346496, 353920, 378980, 427706, 433120, 606368, 692992, 707840, 757960, 855412, 866240, 1069265, 1212736, 1496971, 1515920, 1710824, 1732480, 2138530, 2425472, 2993942, 3031840, 3421648, 3464960, 4277060, 4850944, 5987884, 6063680, 6843296, 7484855, 8554120, 11975768, 12127360, 13686592, 14969710, 17108240, 23951536, 24254720, 27373184, 29939420, 34216480, 47903072, 54746368, 59878840, 68432960, 95806144, 119757680, 136865920, 191612288, 239515360, 273731840, 383224576, 479030720, 958061440, 1916122880]

約数ペア:

[(1, 1916122880), (2, 958061440), (4, 479030720), (5, 383224576), (7, 273731840), (8, 239515360), (10, 191612288), (14, 136865920), (16, 119757680), (20, 95806144), (28, 68432960), (32, 59878840), (35, 54746368), (40, 47903072), (56, 34216480), (64, 29939420), (70, 27373184), (79, 24254720), (80, 23951536), (112, 17108240), (128, 14969710), (140, 13686592), (158, 12127360), (160, 11975768), (224, 8554120), (256, 7484855), (280, 6843296), (316, 6063680), (320, 5987884), (395, 4850944), (448, 4277060), (553, 3464960), (560, 3421648), (632, 3031840), (640, 2993942), (790, 2425472), (896, 2138530), (1106, 1732480), (1120, 1710824), (1264, 1515920), (1280, 1496971), (1580, 1212736), (1792, 1069265), (2212, 866240), (2240, 855412), (2528, 757960), (2707, 707840), (2765, 692992), (3160, 606368), (4424, 433120), (4480, 427706), (5056, 378980), (5414, 353920), (5530, 346496), (6320, 303184), (8848, 216560), (8960, 213853), (10112, 189490), (10828, 176960), (11060, 173248), (12640, 151592), (13535, 141568), (17696, 108280), (18949, 101120), (20224, 94745), (21656, 88480), (22120, 86624), (25280, 75796), (27070, 70784), (35392, 54140), (37898, 50560), (43312, 44240)]