820160376

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1361}}^1$

素因数の和:1605

約数の個数: 128

約数和(自身を含む): 2494748160

約数和(自身を除く): 1674587784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 211, 238, 357, 408, 422, 476, 633, 714, 844, 952, 1266, 1361, 1428, 1477, 1688, 2532, 2722, 2856, 2954, 3587, 4083, 4431, 5064, 5444, 5908, 7174, 8166, 8862, 9527, 10761, 10888, 11816, 14348, 16332, 17724, 19054, 21522, 23137, 25109, 28581, 28696, 32664, 35448, 38108, 43044, 46274, 50218, 57162, 69411, 75327, 76216, 86088, 92548, 100436, 114324, 138822, 150654, 161959, 185096, 200872, 228648, 277644, 287171, 301308, 323918, 485877, 555288, 574342, 602616, 647836, 861513, 971754, 1148684, 1295672, 1723026, 1943508, 2010197, 2297368, 3446052, 3887016, 4020394, 4881907, 6030591, 6892104, 8040788, 9763814, 12061182, 14645721, 16081576, 19527628, 24122364, 29291442, 34173349, 39055256, 48244728, 58582884, 68346698, 102520047, 117165768, 136693396, 205040094, 273386792, 410080188, 820160376]

約数ペア:

[(1, 820160376), (2, 410080188), (3, 273386792), (4, 205040094), (6, 136693396), (7, 117165768), (8, 102520047), (12, 68346698), (14, 58582884), (17, 48244728), (21, 39055256), (24, 34173349), (28, 29291442), (34, 24122364), (42, 19527628), (51, 16081576), (56, 14645721), (68, 12061182), (84, 9763814), (102, 8040788), (119, 6892104), (136, 6030591), (168, 4881907), (204, 4020394), (211, 3887016), (238, 3446052), (357, 2297368), (408, 2010197), (422, 1943508), (476, 1723026), (633, 1295672), (714, 1148684), (844, 971754), (952, 861513), (1266, 647836), (1361, 602616), (1428, 574342), (1477, 555288), (1688, 485877), (2532, 323918), (2722, 301308), (2856, 287171), (2954, 277644), (3587, 228648), (4083, 200872), (4431, 185096), (5064, 161959), (5444, 150654), (5908, 138822), (7174, 114324), (8166, 100436), (8862, 92548), (9527, 86088), (10761, 76216), (10888, 75327), (11816, 69411), (14348, 57162), (16332, 50218), (17724, 46274), (19054, 43044), (21522, 38108), (23137, 35448), (25109, 32664), (28581, 28696)]