18451380320

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{1451}}^1$

素因数の和:1621

約数の個数: 192

約数和(自身を含む): 47421158400

約数和(自身を除く): 28969778080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 76, 80, 89, 94, 95, 152, 160, 178, 188, 190, 235, 304, 356, 376, 380, 445, 470, 608, 712, 752, 760, 890, 893, 940, 1424, 1451, 1504, 1520, 1691, 1780, 1786, 1880, 2848, 2902, 3040, 3382, 3560, 3572, 3760, 4183, 4465, 5804, 6764, 7120, 7144, 7255, 7520, 8366, 8455, 8930, 11608, 13528, 14240, 14288, 14510, 16732, 16910, 17860, 20915, 23216, 27056, 27569, 28576, 29020, 33464, 33820, 35720, 41830, 46432, 54112, 55138, 58040, 66928, 67640, 68197, 71440, 79477, 83660, 110276, 116080, 129139, 133856, 135280, 136394, 137845, 142880, 158954, 167320, 220552, 232160, 258278, 270560, 272788, 275690, 317908, 334640, 340985, 397385, 441104, 516556, 545576, 551380, 635816, 645695, 669280, 681970, 794770, 882208, 1033112, 1091152, 1102760, 1271632, 1291390, 1295743, 1363940, 1589540, 2066224, 2182304, 2205520, 2453641, 2543264, 2582780, 2591486, 2727880, 3179080, 4132448, 4411040, 4907282, 5165560, 5182972, 5455760, 6069533, 6358160, 6478715, 9814564, 10331120, 10365944, 10911520, 12139066, 12268205, 12716320, 12957430, 19629128, 20662240, 20731888, 24278132, 24536410, 25914860, 30347665, 39258256, 41463776, 48556264, 49072820, 51829720, 60695330, 78516512, 97112528, 98145640, 103659440, 115321127, 121390660, 194225056, 196291280, 207318880, 230642254, 242781320, 392582560, 461284508, 485562640, 576605635, 922569016, 971125280, 1153211270, 1845138032, 2306422540, 3690276064, 4612845080, 9225690160, 18451380320]

約数ペア:

[(1, 18451380320), (2, 9225690160), (4, 4612845080), (5, 3690276064), (8, 2306422540), (10, 1845138032), (16, 1153211270), (19, 971125280), (20, 922569016), (32, 576605635), (38, 485562640), (40, 461284508), (47, 392582560), (76, 242781320), (80, 230642254), (89, 207318880), (94, 196291280), (95, 194225056), (152, 121390660), (160, 115321127), (178, 103659440), (188, 98145640), (190, 97112528), (235, 78516512), (304, 60695330), (356, 51829720), (376, 49072820), (380, 48556264), (445, 41463776), (470, 39258256), (608, 30347665), (712, 25914860), (752, 24536410), (760, 24278132), (890, 20731888), (893, 20662240), (940, 19629128), (1424, 12957430), (1451, 12716320), (1504, 12268205), (1520, 12139066), (1691, 10911520), (1780, 10365944), (1786, 10331120), (1880, 9814564), (2848, 6478715), (2902, 6358160), (3040, 6069533), (3382, 5455760), (3560, 5182972), (3572, 5165560), (3760, 4907282), (4183, 4411040), (4465, 4132448), (5804, 3179080), (6764, 2727880), (7120, 2591486), (7144, 2582780), (7255, 2543264), (7520, 2453641), (8366, 2205520), (8455, 2182304), (8930, 2066224), (11608, 1589540), (13528, 1363940), (14240, 1295743), (14288, 1291390), (14510, 1271632), (16732, 1102760), (16910, 1091152), (17860, 1033112), (20915, 882208), (23216, 794770), (27056, 681970), (27569, 669280), (28576, 645695), (29020, 635816), (33464, 551380), (33820, 545576), (35720, 516556), (41830, 441104), (46432, 397385), (54112, 340985), (55138, 334640), (58040, 317908), (66928, 275690), (67640, 272788), (68197, 270560), (71440, 258278), (79477, 232160), (83660, 220552), (110276, 167320), (116080, 158954), (129139, 142880), (133856, 137845), (135280, 136394)]