15864741760

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{521}}^1\times {\mathrm{971}}^1$

素因数の和:1525

約数の個数: 192

約数和(自身を含む): 44248958640

約数和(自身を除く): 28384216880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 521, 560, 640, 784, 896, 971, 980, 1042, 1120, 1568, 1942, 1960, 2084, 2240, 2605, 3136, 3647, 3884, 3920, 4168, 4480, 4855, 5210, 6272, 6797, 7294, 7768, 7840, 8336, 9710, 10420, 13594, 14588, 15536, 15680, 16672, 18235, 19420, 20840, 25529, 27188, 29176, 31072, 31360, 33344, 33985, 36470, 38840, 41680, 47579, 51058, 54376, 58352, 62144, 66688, 67970, 72940, 77680, 83360, 95158, 102116, 108752, 116704, 124288, 127645, 135940, 145880, 155360, 166720, 190316, 204232, 217504, 233408, 237895, 255290, 271880, 291760, 310720, 333440, 380632, 408464, 435008, 466816, 475790, 505891, 510580, 543760, 583520, 621440, 761264, 816928, 870016, 951580, 1011782, 1021160, 1087520, 1167040, 1522528, 1633856, 1903160, 2023564, 2042320, 2175040, 2334080, 2529455, 3045056, 3267712, 3541237, 3806320, 4047128, 4084640, 4350080, 5058910, 6090112, 7082474, 7612640, 8094256, 8169280, 10117820, 14164948, 15225280, 16188512, 16338560, 17706185, 20235640, 24788659, 28329896, 30450560, 32377024, 35412370, 40471280, 49577318, 56659792, 64754048, 70824740, 80942560, 99154636, 113319584, 123943295, 141649480, 161885120, 198309272, 226639168, 247886590, 283298960, 323770240, 396618544, 453278336, 495773180, 566597920, 793237088, 991546360, 1133195840, 1586474176, 1983092720, 2266391680, 3172948352, 3966185440, 7932370880, 15864741760]

約数ペア:

[(1, 15864741760), (2, 7932370880), (4, 3966185440), (5, 3172948352), (7, 2266391680), (8, 1983092720), (10, 1586474176), (14, 1133195840), (16, 991546360), (20, 793237088), (28, 566597920), (32, 495773180), (35, 453278336), (40, 396618544), (49, 323770240), (56, 283298960), (64, 247886590), (70, 226639168), (80, 198309272), (98, 161885120), (112, 141649480), (128, 123943295), (140, 113319584), (160, 99154636), (196, 80942560), (224, 70824740), (245, 64754048), (280, 56659792), (320, 49577318), (392, 40471280), (448, 35412370), (490, 32377024), (521, 30450560), (560, 28329896), (640, 24788659), (784, 20235640), (896, 17706185), (971, 16338560), (980, 16188512), (1042, 15225280), (1120, 14164948), (1568, 10117820), (1942, 8169280), (1960, 8094256), (2084, 7612640), (2240, 7082474), (2605, 6090112), (3136, 5058910), (3647, 4350080), (3884, 4084640), (3920, 4047128), (4168, 3806320), (4480, 3541237), (4855, 3267712), (5210, 3045056), (6272, 2529455), (6797, 2334080), (7294, 2175040), (7768, 2042320), (7840, 2023564), (8336, 1903160), (9710, 1633856), (10420, 1522528), (13594, 1167040), (14588, 1087520), (15536, 1021160), (15680, 1011782), (16672, 951580), (18235, 870016), (19420, 816928), (20840, 761264), (25529, 621440), (27188, 583520), (29176, 543760), (31072, 510580), (31360, 505891), (33344, 475790), (33985, 466816), (36470, 435008), (38840, 408464), (41680, 380632), (47579, 333440), (51058, 310720), (54376, 291760), (58352, 271880), (62144, 255290), (66688, 237895), (67970, 233408), (72940, 217504), (77680, 204232), (83360, 190316), (95158, 166720), (102116, 155360), (108752, 145880), (116704, 135940), (124288, 127645)]