231423920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:499

約数の個数: 160

約数和(自身を含む): 671956992

約数和(自身を除く): 440533072

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 83, 91, 104, 112, 130, 140, 166, 182, 208, 260, 280, 332, 364, 383, 415, 455, 520, 560, 581, 664, 728, 766, 830, 910, 1040, 1079, 1162, 1328, 1456, 1532, 1660, 1820, 1915, 2158, 2324, 2681, 2905, 3064, 3320, 3640, 3830, 4316, 4648, 4979, 5362, 5395, 5810, 6128, 6640, 7280, 7553, 7660, 8632, 9296, 9958, 10724, 10790, 11620, 13405, 15106, 15320, 17264, 19916, 21448, 21580, 23240, 24895, 26810, 30212, 30640, 31789, 34853, 37765, 39832, 42896, 43160, 46480, 49790, 53620, 60424, 63578, 69706, 75530, 79664, 86320, 99580, 107240, 120848, 127156, 139412, 151060, 158945, 174265, 199160, 214480, 222523, 254312, 278824, 302120, 317890, 348530, 398320, 413257, 445046, 508624, 557648, 604240, 635780, 697060, 826514, 890092, 1112615, 1271560, 1394120, 1653028, 1780184, 2066285, 2225230, 2543120, 2788240, 2892799, 3306056, 3560368, 4132570, 4450460, 5785598, 6612112, 8265140, 8900920, 11571196, 14463995, 16530280, 17801840, 23142392, 28927990, 33060560, 46284784, 57855980, 115711960, 231423920]

約数ペア:

[(1, 231423920), (2, 115711960), (4, 57855980), (5, 46284784), (7, 33060560), (8, 28927990), (10, 23142392), (13, 17801840), (14, 16530280), (16, 14463995), (20, 11571196), (26, 8900920), (28, 8265140), (35, 6612112), (40, 5785598), (52, 4450460), (56, 4132570), (65, 3560368), (70, 3306056), (80, 2892799), (83, 2788240), (91, 2543120), (104, 2225230), (112, 2066285), (130, 1780184), (140, 1653028), (166, 1394120), (182, 1271560), (208, 1112615), (260, 890092), (280, 826514), (332, 697060), (364, 635780), (383, 604240), (415, 557648), (455, 508624), (520, 445046), (560, 413257), (581, 398320), (664, 348530), (728, 317890), (766, 302120), (830, 278824), (910, 254312), (1040, 222523), (1079, 214480), (1162, 199160), (1328, 174265), (1456, 158945), (1532, 151060), (1660, 139412), (1820, 127156), (1915, 120848), (2158, 107240), (2324, 99580), (2681, 86320), (2905, 79664), (3064, 75530), (3320, 69706), (3640, 63578), (3830, 60424), (4316, 53620), (4648, 49790), (4979, 46480), (5362, 43160), (5395, 42896), (5810, 39832), (6128, 37765), (6640, 34853), (7280, 31789), (7553, 30640), (7660, 30212), (8632, 26810), (9296, 24895), (9958, 23240), (10724, 21580), (10790, 21448), (11620, 19916), (13405, 17264), (15106, 15320)]