297879240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 914175360

約数和(自身を除く): 616296120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 157, 163, 194, 291, 314, 326, 388, 471, 485, 489, 582, 628, 652, 776, 785, 815, 942, 970, 978, 1164, 1256, 1304, 1455, 1570, 1630, 1884, 1940, 1956, 2328, 2355, 2445, 2910, 3140, 3260, 3768, 3880, 3912, 4710, 4890, 5820, 6280, 6520, 9420, 9780, 11640, 15229, 15811, 18840, 19560, 25591, 30458, 31622, 45687, 47433, 51182, 60916, 63244, 76145, 76773, 79055, 91374, 94866, 102364, 121832, 126488, 127955, 152290, 153546, 158110, 182748, 189732, 204728, 228435, 237165, 255910, 304580, 307092, 316220, 365496, 379464, 383865, 456870, 474330, 511820, 609160, 614184, 632440, 767730, 913740, 948660, 1023640, 1535460, 1827480, 1897320, 2482327, 3070920, 4964654, 7446981, 9929308, 12411635, 14893962, 19858616, 24823270, 29787924, 37234905, 49646540, 59575848, 74469810, 99293080, 148939620, 297879240]

約数ペア:

[(1, 297879240), (2, 148939620), (3, 99293080), (4, 74469810), (5, 59575848), (6, 49646540), (8, 37234905), (10, 29787924), (12, 24823270), (15, 19858616), (20, 14893962), (24, 12411635), (30, 9929308), (40, 7446981), (60, 4964654), (97, 3070920), (120, 2482327), (157, 1897320), (163, 1827480), (194, 1535460), (291, 1023640), (314, 948660), (326, 913740), (388, 767730), (471, 632440), (485, 614184), (489, 609160), (582, 511820), (628, 474330), (652, 456870), (776, 383865), (785, 379464), (815, 365496), (942, 316220), (970, 307092), (978, 304580), (1164, 255910), (1256, 237165), (1304, 228435), (1455, 204728), (1570, 189732), (1630, 182748), (1884, 158110), (1940, 153546), (1956, 152290), (2328, 127955), (2355, 126488), (2445, 121832), (2910, 102364), (3140, 94866), (3260, 91374), (3768, 79055), (3880, 76773), (3912, 76145), (4710, 63244), (4890, 60916), (5820, 51182), (6280, 47433), (6520, 45687), (9420, 31622), (9780, 30458), (11640, 25591), (15229, 19560), (15811, 18840)]