155780240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^4\times {\mathrm{19}}^1$

素因数の和:83

約数の個数: 200

約数和(自身を含む): 479284800

約数和(自身を除く): 323504560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 80, 88, 95, 110, 112, 121, 133, 140, 152, 154, 176, 190, 209, 220, 242, 266, 280, 304, 308, 380, 385, 418, 440, 484, 532, 560, 605, 616, 665, 760, 770, 836, 847, 880, 968, 1045, 1064, 1210, 1232, 1330, 1331, 1463, 1520, 1540, 1672, 1694, 1936, 2090, 2128, 2299, 2420, 2660, 2662, 2926, 3080, 3344, 3388, 4180, 4235, 4598, 4840, 5320, 5324, 5852, 6160, 6655, 6776, 7315, 8360, 8470, 9196, 9317, 9680, 10640, 10648, 11495, 11704, 13310, 13552, 14630, 14641, 16093, 16720, 16940, 18392, 18634, 21296, 22990, 23408, 25289, 26620, 29260, 29282, 32186, 33880, 36784, 37268, 45980, 46585, 50578, 53240, 58520, 58564, 64372, 67760, 73205, 74536, 80465, 91960, 93170, 101156, 102487, 106480, 117040, 117128, 126445, 128744, 146410, 149072, 160930, 177023, 183920, 186340, 202312, 204974, 234256, 252890, 257488, 278179, 292820, 321860, 354046, 372680, 404624, 409948, 505780, 512435, 556358, 585640, 643720, 708092, 745360, 819896, 885115, 1011560, 1024870, 1112716, 1171280, 1287440, 1390895, 1416184, 1639792, 1770230, 1947253, 2023120, 2049740, 2225432, 2781790, 2832368, 3540460, 3894506, 4099480, 4450864, 5563580, 7080920, 7789012, 8198960, 9736265, 11127160, 14161840, 15578024, 19472530, 22254320, 31156048, 38945060, 77890120, 155780240]

約数ペア:

[(1, 155780240), (2, 77890120), (4, 38945060), (5, 31156048), (7, 22254320), (8, 19472530), (10, 15578024), (11, 14161840), (14, 11127160), (16, 9736265), (19, 8198960), (20, 7789012), (22, 7080920), (28, 5563580), (35, 4450864), (38, 4099480), (40, 3894506), (44, 3540460), (55, 2832368), (56, 2781790), (70, 2225432), (76, 2049740), (77, 2023120), (80, 1947253), (88, 1770230), (95, 1639792), (110, 1416184), (112, 1390895), (121, 1287440), (133, 1171280), (140, 1112716), (152, 1024870), (154, 1011560), (176, 885115), (190, 819896), (209, 745360), (220, 708092), (242, 643720), (266, 585640), (280, 556358), (304, 512435), (308, 505780), (380, 409948), (385, 404624), (418, 372680), (440, 354046), (484, 321860), (532, 292820), (560, 278179), (605, 257488), (616, 252890), (665, 234256), (760, 204974), (770, 202312), (836, 186340), (847, 183920), (880, 177023), (968, 160930), (1045, 149072), (1064, 146410), (1210, 128744), (1232, 126445), (1330, 117128), (1331, 117040), (1463, 106480), (1520, 102487), (1540, 101156), (1672, 93170), (1694, 91960), (1936, 80465), (2090, 74536), (2128, 73205), (2299, 67760), (2420, 64372), (2660, 58564), (2662, 58520), (2926, 53240), (3080, 50578), (3344, 46585), (3388, 45980), (4180, 37268), (4235, 36784), (4598, 33880), (4840, 32186), (5320, 29282), (5324, 29260), (5852, 26620), (6160, 25289), (6655, 23408), (6776, 22990), (7315, 21296), (8360, 18634), (8470, 18392), (9196, 16940), (9317, 16720), (9680, 16093), (10640, 14641), (10648, 14630), (11495, 13552), (11704, 13310)]