3918961280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1971

約数の個数: 192

約数和(自身を含む): 10684418400

約数和(自身を除く): 6765457120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 169, 190, 208, 247, 260, 304, 320, 338, 380, 416, 494, 520, 608, 640, 676, 760, 832, 845, 988, 1040, 1216, 1235, 1352, 1520, 1664, 1690, 1907, 1976, 2080, 2432, 2470, 2704, 3040, 3211, 3380, 3814, 3952, 4160, 4940, 5408, 6080, 6422, 6760, 7628, 7904, 8320, 9535, 9880, 10816, 12160, 12844, 13520, 15256, 15808, 16055, 19070, 19760, 21632, 24791, 25688, 27040, 30512, 31616, 32110, 36233, 38140, 39520, 49582, 51376, 54080, 61024, 64220, 72466, 76280, 79040, 99164, 102752, 108160, 122048, 123955, 128440, 144932, 152560, 158080, 181165, 198328, 205504, 244096, 247910, 256880, 289864, 305120, 322283, 362330, 396656, 411008, 471029, 495820, 513760, 579728, 610240, 644566, 724660, 793312, 942058, 991640, 1027520, 1159456, 1220480, 1289132, 1449320, 1586624, 1611415, 1884116, 1983280, 2055040, 2318912, 2355145, 2578264, 2898640, 3173248, 3222830, 3768232, 3966560, 4637824, 4710290, 5156528, 5797280, 6123377, 6445660, 7536464, 7933120, 9420580, 10313056, 11594560, 12246754, 12891320, 15072928, 15866240, 18841160, 20626112, 23189120, 24493508, 25782640, 30145856, 30616885, 37682320, 41252224, 48987016, 51565280, 60291712, 61233770, 75364640, 97974032, 103130560, 122467540, 150729280, 195948064, 206261120, 244935080, 301458560, 391896128, 489870160, 783792256, 979740320, 1959480640, 3918961280]

約数ペア:

[(1, 3918961280), (2, 1959480640), (4, 979740320), (5, 783792256), (8, 489870160), (10, 391896128), (13, 301458560), (16, 244935080), (19, 206261120), (20, 195948064), (26, 150729280), (32, 122467540), (38, 103130560), (40, 97974032), (52, 75364640), (64, 61233770), (65, 60291712), (76, 51565280), (80, 48987016), (95, 41252224), (104, 37682320), (128, 30616885), (130, 30145856), (152, 25782640), (160, 24493508), (169, 23189120), (190, 20626112), (208, 18841160), (247, 15866240), (260, 15072928), (304, 12891320), (320, 12246754), (338, 11594560), (380, 10313056), (416, 9420580), (494, 7933120), (520, 7536464), (608, 6445660), (640, 6123377), (676, 5797280), (760, 5156528), (832, 4710290), (845, 4637824), (988, 3966560), (1040, 3768232), (1216, 3222830), (1235, 3173248), (1352, 2898640), (1520, 2578264), (1664, 2355145), (1690, 2318912), (1907, 2055040), (1976, 1983280), (2080, 1884116), (2432, 1611415), (2470, 1586624), (2704, 1449320), (3040, 1289132), (3211, 1220480), (3380, 1159456), (3814, 1027520), (3952, 991640), (4160, 942058), (4940, 793312), (5408, 724660), (6080, 644566), (6422, 610240), (6760, 579728), (7628, 513760), (7904, 495820), (8320, 471029), (9535, 411008), (9880, 396656), (10816, 362330), (12160, 322283), (12844, 305120), (13520, 289864), (15256, 256880), (15808, 247910), (16055, 244096), (19070, 205504), (19760, 198328), (21632, 181165), (24791, 158080), (25688, 152560), (27040, 144932), (30512, 128440), (31616, 123955), (32110, 122048), (36233, 108160), (38140, 102752), (39520, 99164), (49582, 79040), (51376, 76280), (54080, 72466), (61024, 64220)]