815360

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{13}}^1$

素因数の和:48

約数の個数: 108

約数和(自身を含む): 2446668

約数和(自身を除く): 1631308

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 256, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 560, 637, 640, 728, 784, 832, 896, 910, 980, 1040, 1120, 1274, 1280, 1456, 1568, 1664, 1792, 1820, 1960, 2080, 2240, 2548, 2912, 3136, 3185, 3328, 3640, 3920, 4160, 4480, 5096, 5824, 6272, 6370, 7280, 7840, 8320, 8960, 10192, 11648, 12544, 12740, 14560, 15680, 16640, 20384, 23296, 25480, 29120, 31360, 40768, 50960, 58240, 62720, 81536, 101920, 116480, 163072, 203840, 407680, 815360]

約数ペア:

[(1, 815360), (2, 407680), (4, 203840), (5, 163072), (7, 116480), (8, 101920), (10, 81536), (13, 62720), (14, 58240), (16, 50960), (20, 40768), (26, 31360), (28, 29120), (32, 25480), (35, 23296), (40, 20384), (49, 16640), (52, 15680), (56, 14560), (64, 12740), (65, 12544), (70, 11648), (80, 10192), (91, 8960), (98, 8320), (104, 7840), (112, 7280), (128, 6370), (130, 6272), (140, 5824), (160, 5096), (182, 4480), (196, 4160), (208, 3920), (224, 3640), (245, 3328), (256, 3185), (260, 3136), (280, 2912), (320, 2548), (364, 2240), (392, 2080), (416, 1960), (448, 1820), (455, 1792), (490, 1664), (520, 1568), (560, 1456), (637, 1280), (640, 1274), (728, 1120), (784, 1040), (832, 980), (896, 910)]