1388262400

素因数分解:

$2^{10}\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 264

約数和(自身を含む): 4028758016

約数和(自身を除く): 2640495616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 61, 64, 70, 80, 100, 112, 122, 127, 128, 140, 160, 175, 200, 224, 244, 254, 256, 280, 305, 320, 350, 400, 427, 448, 488, 508, 512, 560, 610, 635, 640, 700, 800, 854, 889, 896, 976, 1016, 1024, 1120, 1220, 1270, 1280, 1400, 1525, 1600, 1708, 1778, 1792, 1952, 2032, 2135, 2240, 2440, 2540, 2560, 2800, 3050, 3175, 3200, 3416, 3556, 3584, 3904, 4064, 4270, 4445, 4480, 4880, 5080, 5120, 5600, 6100, 6350, 6400, 6832, 7112, 7168, 7747, 7808, 8128, 8540, 8890, 8960, 9760, 10160, 10675, 11200, 12200, 12700, 12800, 13664, 14224, 15494, 15616, 16256, 17080, 17780, 17920, 19520, 20320, 21350, 22225, 22400, 24400, 25400, 25600, 27328, 28448, 30988, 31232, 32512, 34160, 35560, 35840, 38735, 39040, 40640, 42700, 44450, 44800, 48800, 50800, 54229, 54656, 56896, 61976, 62464, 65024, 68320, 71120, 77470, 78080, 81280, 85400, 88900, 89600, 97600, 101600, 108458, 109312, 113792, 123952, 130048, 136640, 142240, 154940, 156160, 162560, 170800, 177800, 179200, 193675, 195200, 203200, 216916, 218624, 227584, 247904, 271145, 273280, 284480, 309880, 312320, 325120, 341600, 355600, 387350, 390400, 406400, 433832, 437248, 455168, 495808, 542290, 546560, 568960, 619760, 650240, 683200, 711200, 774700, 780800, 812800, 867664, 910336, 991616, 1084580, 1093120, 1137920, 1239520, 1355725, 1366400, 1422400, 1549400, 1561600, 1625600, 1735328, 1983232, 2169160, 2186240, 2275840, 2479040, 2711450, 2732800, 2844800, 3098800, 3251200, 3470656, 3966464, 4338320, 4551680, 4958080, 5422900, 5465600, 5689600, 6197600, 6941312, 7932928, 8676640, 9916160, 10845800, 10931200, 11379200, 12395200, 13882624, 17353280, 19832320, 21691600, 22758400, 24790400, 27765248, 34706560, 39664640, 43383200, 49580800, 55530496, 69413120, 86766400, 99161600, 138826240, 173532800, 198323200, 277652480, 347065600, 694131200, 1388262400]

約数ペア:

[(1, 1388262400), (2, 694131200), (4, 347065600), (5, 277652480), (7, 198323200), (8, 173532800), (10, 138826240), (14, 99161600), (16, 86766400), (20, 69413120), (25, 55530496), (28, 49580800), (32, 43383200), (35, 39664640), (40, 34706560), (50, 27765248), (56, 24790400), (61, 22758400), (64, 21691600), (70, 19832320), (80, 17353280), (100, 13882624), (112, 12395200), (122, 11379200), (127, 10931200), (128, 10845800), (140, 9916160), (160, 8676640), (175, 7932928), (200, 6941312), (224, 6197600), (244, 5689600), (254, 5465600), (256, 5422900), (280, 4958080), (305, 4551680), (320, 4338320), (350, 3966464), (400, 3470656), (427, 3251200), (448, 3098800), (488, 2844800), (508, 2732800), (512, 2711450), (560, 2479040), (610, 2275840), (635, 2186240), (640, 2169160), (700, 1983232), (800, 1735328), (854, 1625600), (889, 1561600), (896, 1549400), (976, 1422400), (1016, 1366400), (1024, 1355725), (1120, 1239520), (1220, 1137920), (1270, 1093120), (1280, 1084580), (1400, 991616), (1525, 910336), (1600, 867664), (1708, 812800), (1778, 780800), (1792, 774700), (1952, 711200), (2032, 683200), (2135, 650240), (2240, 619760), (2440, 568960), (2540, 546560), (2560, 542290), (2800, 495808), (3050, 455168), (3175, 437248), (3200, 433832), (3416, 406400), (3556, 390400), (3584, 387350), (3904, 355600), (4064, 341600), (4270, 325120), (4445, 312320), (4480, 309880), (4880, 284480), (5080, 273280), (5120, 271145), (5600, 247904), (6100, 227584), (6350, 218624), (6400, 216916), (6832, 203200), (7112, 195200), (7168, 193675), (7747, 179200), (7808, 177800), (8128, 170800), (8540, 162560), (8890, 156160), (8960, 154940), (9760, 142240), (10160, 136640), (10675, 130048), (11200, 123952), (12200, 113792), (12700, 109312), (12800, 108458), (13664, 101600), (14224, 97600), (15494, 89600), (15616, 88900), (16256, 85400), (17080, 81280), (17780, 78080), (17920, 77470), (19520, 71120), (20320, 68320), (21350, 65024), (22225, 62464), (22400, 61976), (24400, 56896), (25400, 54656), (25600, 54229), (27328, 50800), (28448, 48800), (30988, 44800), (31232, 44450), (32512, 42700), (34160, 40640), (35560, 39040), (35840, 38735)]