1900487680

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4079}}^1$

素因数の和:4124

約数の個数: 176

約数和(自身を含む): 5612382720

約数和(自身を除く): 3711895040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 512, 520, 560, 640, 728, 832, 896, 910, 1024, 1040, 1120, 1280, 1456, 1664, 1792, 1820, 2080, 2240, 2560, 2912, 3328, 3584, 3640, 4079, 4160, 4480, 5120, 5824, 6656, 7168, 7280, 8158, 8320, 8960, 11648, 13312, 14560, 16316, 16640, 17920, 20395, 23296, 28553, 29120, 32632, 33280, 35840, 40790, 46592, 53027, 57106, 58240, 65264, 66560, 81580, 93184, 106054, 114212, 116480, 130528, 142765, 163160, 212108, 228424, 232960, 261056, 265135, 285530, 326320, 371189, 424216, 456848, 465920, 522112, 530270, 571060, 652640, 742378, 848432, 913696, 1044224, 1060540, 1142120, 1305280, 1484756, 1696864, 1827392, 1855945, 2088448, 2121080, 2284240, 2610560, 2969512, 3393728, 3654784, 3711890, 4176896, 4242160, 4568480, 5221120, 5939024, 6787456, 7309568, 7423780, 8484320, 9136960, 10442240, 11878048, 13574912, 14619136, 14847560, 16968640, 18273920, 20884480, 23756096, 27149824, 29238272, 29695120, 33937280, 36547840, 47512192, 54299648, 59390240, 67874560, 73095680, 95024384, 118780480, 135749120, 146191360, 190048768, 237560960, 271498240, 380097536, 475121920, 950243840, 1900487680]

約数ペア:

[(1, 1900487680), (2, 950243840), (4, 475121920), (5, 380097536), (7, 271498240), (8, 237560960), (10, 190048768), (13, 146191360), (14, 135749120), (16, 118780480), (20, 95024384), (26, 73095680), (28, 67874560), (32, 59390240), (35, 54299648), (40, 47512192), (52, 36547840), (56, 33937280), (64, 29695120), (65, 29238272), (70, 27149824), (80, 23756096), (91, 20884480), (104, 18273920), (112, 16968640), (128, 14847560), (130, 14619136), (140, 13574912), (160, 11878048), (182, 10442240), (208, 9136960), (224, 8484320), (256, 7423780), (260, 7309568), (280, 6787456), (320, 5939024), (364, 5221120), (416, 4568480), (448, 4242160), (455, 4176896), (512, 3711890), (520, 3654784), (560, 3393728), (640, 2969512), (728, 2610560), (832, 2284240), (896, 2121080), (910, 2088448), (1024, 1855945), (1040, 1827392), (1120, 1696864), (1280, 1484756), (1456, 1305280), (1664, 1142120), (1792, 1060540), (1820, 1044224), (2080, 913696), (2240, 848432), (2560, 742378), (2912, 652640), (3328, 571060), (3584, 530270), (3640, 522112), (4079, 465920), (4160, 456848), (4480, 424216), (5120, 371189), (5824, 326320), (6656, 285530), (7168, 265135), (7280, 261056), (8158, 232960), (8320, 228424), (8960, 212108), (11648, 163160), (13312, 142765), (14560, 130528), (16316, 116480), (16640, 114212), (17920, 106054), (20395, 93184), (23296, 81580), (28553, 66560), (29120, 65264), (32632, 58240), (33280, 57106), (35840, 53027), (40790, 46592)]