19947851520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{71161}}^1$

素因数の和:71258

約数の個数: 144

約数和(自身を含む): 64582076832

約数和(自身を除く): 44634225312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 128, 146, 160, 192, 219, 240, 256, 292, 320, 365, 384, 438, 480, 584, 640, 730, 768, 876, 960, 1095, 1168, 1280, 1460, 1752, 1920, 2190, 2336, 2920, 3504, 3840, 4380, 4672, 5840, 7008, 8760, 9344, 11680, 14016, 17520, 18688, 23360, 28032, 35040, 46720, 56064, 70080, 71161, 93440, 140160, 142322, 213483, 280320, 284644, 355805, 426966, 569288, 711610, 853932, 1067415, 1138576, 1423220, 1707864, 2134830, 2277152, 2846440, 3415728, 4269660, 4554304, 5194753, 5692880, 6831456, 8539320, 9108608, 10389506, 11385760, 13662912, 15584259, 17078640, 18217216, 20779012, 22771520, 25973765, 27325824, 31168518, 34157280, 41558024, 45543040, 51947530, 54651648, 62337036, 68314560, 77921295, 83116048, 91086080, 103895060, 124674072, 136629120, 155842590, 166232096, 207790120, 249348144, 273258240, 311685180, 332464192, 415580240, 498696288, 623370360, 664928384, 831160480, 997392576, 1246740720, 1329856768, 1662320960, 1994785152, 2493481440, 3324641920, 3989570304, 4986962880, 6649283840, 9973925760, 19947851520]

約数ペア:

[(1, 19947851520), (2, 9973925760), (3, 6649283840), (4, 4986962880), (5, 3989570304), (6, 3324641920), (8, 2493481440), (10, 1994785152), (12, 1662320960), (15, 1329856768), (16, 1246740720), (20, 997392576), (24, 831160480), (30, 664928384), (32, 623370360), (40, 498696288), (48, 415580240), (60, 332464192), (64, 311685180), (73, 273258240), (80, 249348144), (96, 207790120), (120, 166232096), (128, 155842590), (146, 136629120), (160, 124674072), (192, 103895060), (219, 91086080), (240, 83116048), (256, 77921295), (292, 68314560), (320, 62337036), (365, 54651648), (384, 51947530), (438, 45543040), (480, 41558024), (584, 34157280), (640, 31168518), (730, 27325824), (768, 25973765), (876, 22771520), (960, 20779012), (1095, 18217216), (1168, 17078640), (1280, 15584259), (1460, 13662912), (1752, 11385760), (1920, 10389506), (2190, 9108608), (2336, 8539320), (2920, 6831456), (3504, 5692880), (3840, 5194753), (4380, 4554304), (4672, 4269660), (5840, 3415728), (7008, 2846440), (8760, 2277152), (9344, 2134830), (11680, 1707864), (14016, 1423220), (17520, 1138576), (18688, 1067415), (23360, 853932), (28032, 711610), (35040, 569288), (46720, 426966), (56064, 355805), (70080, 284644), (71161, 280320), (93440, 213483), (140160, 142322)]