851613440

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^3\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 144

約数和(自身を含む): 2175388320

約数和(自身を除く): 1323774880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 97, 128, 152, 160, 190, 194, 256, 304, 320, 361, 380, 388, 485, 608, 640, 722, 760, 776, 970, 1216, 1280, 1444, 1520, 1552, 1805, 1843, 1940, 2432, 2888, 3040, 3104, 3610, 3686, 3880, 4864, 5776, 6080, 6208, 6859, 7220, 7372, 7760, 9215, 11552, 12160, 12416, 13718, 14440, 14744, 15520, 18430, 23104, 24320, 24832, 27436, 28880, 29488, 31040, 34295, 35017, 36860, 46208, 54872, 57760, 58976, 62080, 68590, 70034, 73720, 92416, 109744, 115520, 117952, 124160, 137180, 140068, 147440, 175085, 219488, 231040, 235904, 274360, 280136, 294880, 350170, 438976, 462080, 471808, 548720, 560272, 589760, 665323, 700340, 877952, 1097440, 1120544, 1179520, 1330646, 1400680, 1755904, 2194880, 2241088, 2359040, 2661292, 2801360, 3326615, 4389760, 4482176, 5322584, 5602720, 6653230, 8779520, 8964352, 10645168, 11205440, 13306460, 21290336, 22410880, 26612920, 42580672, 44821760, 53225840, 85161344, 106451680, 170322688, 212903360, 425806720, 851613440]

約数ペア:

[(1, 851613440), (2, 425806720), (4, 212903360), (5, 170322688), (8, 106451680), (10, 85161344), (16, 53225840), (19, 44821760), (20, 42580672), (32, 26612920), (38, 22410880), (40, 21290336), (64, 13306460), (76, 11205440), (80, 10645168), (95, 8964352), (97, 8779520), (128, 6653230), (152, 5602720), (160, 5322584), (190, 4482176), (194, 4389760), (256, 3326615), (304, 2801360), (320, 2661292), (361, 2359040), (380, 2241088), (388, 2194880), (485, 1755904), (608, 1400680), (640, 1330646), (722, 1179520), (760, 1120544), (776, 1097440), (970, 877952), (1216, 700340), (1280, 665323), (1444, 589760), (1520, 560272), (1552, 548720), (1805, 471808), (1843, 462080), (1940, 438976), (2432, 350170), (2888, 294880), (3040, 280136), (3104, 274360), (3610, 235904), (3686, 231040), (3880, 219488), (4864, 175085), (5776, 147440), (6080, 140068), (6208, 137180), (6859, 124160), (7220, 117952), (7372, 115520), (7760, 109744), (9215, 92416), (11552, 73720), (12160, 70034), (12416, 68590), (13718, 62080), (14440, 58976), (14744, 57760), (15520, 54872), (18430, 46208), (23104, 36860), (24320, 35017), (24832, 34295), (27436, 31040), (28880, 29488)]