356261920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1$

素因数の和:415

約数の個数: 144

約数和(自身を含む): 996940224

約数和(自身を除く): 640678304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 331, 434, 496, 560, 620, 662, 868, 961, 992, 1085, 1120, 1240, 1324, 1655, 1736, 1922, 2170, 2317, 2480, 2648, 3310, 3472, 3844, 4340, 4634, 4805, 4960, 5296, 6620, 6727, 6944, 7688, 8680, 9268, 9610, 10261, 10592, 11585, 13240, 13454, 15376, 17360, 18536, 19220, 20522, 23170, 26480, 26908, 30752, 33635, 34720, 37072, 38440, 41044, 46340, 51305, 52960, 53816, 67270, 71827, 74144, 76880, 82088, 92680, 102610, 107632, 134540, 143654, 153760, 164176, 185360, 205220, 215264, 269080, 287308, 318091, 328352, 359135, 370720, 410440, 538160, 574616, 636182, 718270, 820880, 1076320, 1149232, 1272364, 1436540, 1590455, 1641760, 2226637, 2298464, 2544728, 2873080, 3180910, 4453274, 5089456, 5746160, 6361820, 8906548, 10178912, 11133185, 11492320, 12723640, 17813096, 22266370, 25447280, 35626192, 44532740, 50894560, 71252384, 89065480, 178130960, 356261920]

約数ペア:

[(1, 356261920), (2, 178130960), (4, 89065480), (5, 71252384), (7, 50894560), (8, 44532740), (10, 35626192), (14, 25447280), (16, 22266370), (20, 17813096), (28, 12723640), (31, 11492320), (32, 11133185), (35, 10178912), (40, 8906548), (56, 6361820), (62, 5746160), (70, 5089456), (80, 4453274), (112, 3180910), (124, 2873080), (140, 2544728), (155, 2298464), (160, 2226637), (217, 1641760), (224, 1590455), (248, 1436540), (280, 1272364), (310, 1149232), (331, 1076320), (434, 820880), (496, 718270), (560, 636182), (620, 574616), (662, 538160), (868, 410440), (961, 370720), (992, 359135), (1085, 328352), (1120, 318091), (1240, 287308), (1324, 269080), (1655, 215264), (1736, 205220), (1922, 185360), (2170, 164176), (2317, 153760), (2480, 143654), (2648, 134540), (3310, 107632), (3472, 102610), (3844, 92680), (4340, 82088), (4634, 76880), (4805, 74144), (4960, 71827), (5296, 67270), (6620, 53816), (6727, 52960), (6944, 51305), (7688, 46340), (8680, 41044), (9268, 38440), (9610, 37072), (10261, 34720), (10592, 33635), (11585, 30752), (13240, 26908), (13454, 26480), (15376, 23170), (17360, 20522), (18536, 19220)]