1630720

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{13}}^1$

素因数の和:50

約数の個数: 120

約数和(自身を含む): 4898124

約数和(自身を除く): 3267404

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, 512, 520, 560, 637, 640, 728, 784, 832, 896, 910, 980, 1040, 1120, 1274, 1280, 1456, 1568, 1664, 1792, 1820, 1960, 2080, 2240, 2548, 2560, 2912, 3136, 3185, 3328, 3584, 3640, 3920, 4160, 4480, 5096, 5824, 6272, 6370, 6656, 7280, 7840, 8320, 8960, 10192, 11648, 12544, 12740, 14560, 15680, 16640, 17920, 20384, 23296, 25088, 25480, 29120, 31360, 33280, 40768, 46592, 50960, 58240, 62720, 81536, 101920, 116480, 125440, 163072, 203840, 232960, 326144, 407680, 815360, 1630720]

約数ペア:

[(1, 1630720), (2, 815360), (4, 407680), (5, 326144), (7, 232960), (8, 203840), (10, 163072), (13, 125440), (14, 116480), (16, 101920), (20, 81536), (26, 62720), (28, 58240), (32, 50960), (35, 46592), (40, 40768), (49, 33280), (52, 31360), (56, 29120), (64, 25480), (65, 25088), (70, 23296), (80, 20384), (91, 17920), (98, 16640), (104, 15680), (112, 14560), (128, 12740), (130, 12544), (140, 11648), (160, 10192), (182, 8960), (196, 8320), (208, 7840), (224, 7280), (245, 6656), (256, 6370), (260, 6272), (280, 5824), (320, 5096), (364, 4480), (392, 4160), (416, 3920), (448, 3640), (455, 3584), (490, 3328), (512, 3185), (520, 3136), (560, 2912), (637, 2560), (640, 2548), (728, 2240), (784, 2080), (832, 1960), (896, 1820), (910, 1792), (980, 1664), (1040, 1568), (1120, 1456), (1274, 1280)]