15217280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:122

約数の個数: 128

約数和(自身を含む): 41126400

約数和(自身を除く): 25909120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 59, 62, 64, 65, 80, 104, 118, 124, 128, 130, 155, 160, 208, 236, 248, 260, 295, 310, 320, 403, 416, 472, 496, 520, 590, 620, 640, 767, 806, 832, 944, 992, 1040, 1180, 1240, 1534, 1612, 1664, 1829, 1888, 1984, 2015, 2080, 2360, 2480, 3068, 3224, 3658, 3776, 3835, 3968, 4030, 4160, 4720, 4960, 6136, 6448, 7316, 7552, 7670, 8060, 8320, 9145, 9440, 9920, 12272, 12896, 14632, 15340, 16120, 18290, 18880, 19840, 23777, 24544, 25792, 29264, 30680, 32240, 36580, 37760, 47554, 49088, 51584, 58528, 61360, 64480, 73160, 95108, 98176, 117056, 118885, 122720, 128960, 146320, 190216, 234112, 237770, 245440, 257920, 292640, 380432, 475540, 490880, 585280, 760864, 951080, 1170560, 1521728, 1902160, 3043456, 3804320, 7608640, 15217280]

約数ペア:

[(1, 15217280), (2, 7608640), (4, 3804320), (5, 3043456), (8, 1902160), (10, 1521728), (13, 1170560), (16, 951080), (20, 760864), (26, 585280), (31, 490880), (32, 475540), (40, 380432), (52, 292640), (59, 257920), (62, 245440), (64, 237770), (65, 234112), (80, 190216), (104, 146320), (118, 128960), (124, 122720), (128, 118885), (130, 117056), (155, 98176), (160, 95108), (208, 73160), (236, 64480), (248, 61360), (260, 58528), (295, 51584), (310, 49088), (320, 47554), (403, 37760), (416, 36580), (472, 32240), (496, 30680), (520, 29264), (590, 25792), (620, 24544), (640, 23777), (767, 19840), (806, 18880), (832, 18290), (944, 16120), (992, 15340), (1040, 14632), (1180, 12896), (1240, 12272), (1534, 9920), (1612, 9440), (1664, 9145), (1829, 8320), (1888, 8060), (1984, 7670), (2015, 7552), (2080, 7316), (2360, 6448), (2480, 6136), (3068, 4960), (3224, 4720), (3658, 4160), (3776, 4030), (3835, 3968)]