638169720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9029}}^1$

素因数の和:9093

約数の個数: 128

約数和(自身を含む): 2080512000

約数和(自身を除く): 1442342280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1178, 1240, 1767, 1860, 2280, 2356, 2945, 3534, 3720, 4712, 5890, 7068, 8835, 9029, 11780, 14136, 17670, 18058, 23560, 27087, 35340, 36116, 45145, 54174, 70680, 72232, 90290, 108348, 135435, 171551, 180580, 216696, 270870, 279899, 343102, 361160, 514653, 541740, 559798, 686204, 839697, 857755, 1029306, 1083480, 1119596, 1372408, 1399495, 1679394, 1715510, 2058612, 2239192, 2573265, 2798990, 3358788, 3431020, 4117224, 4198485, 5146530, 5318081, 5597980, 6717576, 6862040, 8396970, 10293060, 10636162, 11195960, 15954243, 16793940, 20586120, 21272324, 26590405, 31908486, 33587880, 42544648, 53180810, 63816972, 79771215, 106361620, 127633944, 159542430, 212723240, 319084860, 638169720]

約数ペア:

[(1, 638169720), (2, 319084860), (3, 212723240), (4, 159542430), (5, 127633944), (6, 106361620), (8, 79771215), (10, 63816972), (12, 53180810), (15, 42544648), (19, 33587880), (20, 31908486), (24, 26590405), (30, 21272324), (31, 20586120), (38, 16793940), (40, 15954243), (57, 11195960), (60, 10636162), (62, 10293060), (76, 8396970), (93, 6862040), (95, 6717576), (114, 5597980), (120, 5318081), (124, 5146530), (152, 4198485), (155, 4117224), (186, 3431020), (190, 3358788), (228, 2798990), (248, 2573265), (285, 2239192), (310, 2058612), (372, 1715510), (380, 1679394), (456, 1399495), (465, 1372408), (570, 1119596), (589, 1083480), (620, 1029306), (744, 857755), (760, 839697), (930, 686204), (1140, 559798), (1178, 541740), (1240, 514653), (1767, 361160), (1860, 343102), (2280, 279899), (2356, 270870), (2945, 216696), (3534, 180580), (3720, 171551), (4712, 135435), (5890, 108348), (7068, 90290), (8835, 72232), (9029, 70680), (11780, 54174), (14136, 45145), (17670, 36116), (18058, 35340), (23560, 27087)]