30454480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:501

約数の個数: 120

約数和(自身を含む): 87402888

約数和(自身を除く): 56948408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 392, 457, 476, 490, 560, 595, 680, 784, 833, 914, 952, 980, 1190, 1360, 1666, 1828, 1904, 1960, 2285, 2380, 3199, 3332, 3656, 3920, 4165, 4570, 4760, 6398, 6664, 7312, 7769, 8330, 9140, 9520, 12796, 13328, 15538, 15995, 16660, 18280, 22393, 25592, 31076, 31990, 33320, 36560, 38845, 44786, 51184, 54383, 62152, 63980, 66640, 77690, 89572, 108766, 111965, 124304, 127960, 155380, 179144, 217532, 223930, 255920, 271915, 310760, 358288, 380681, 435064, 447860, 543830, 621520, 761362, 870128, 895720, 1087660, 1522724, 1791440, 1903405, 2175320, 3045448, 3806810, 4350640, 6090896, 7613620, 15227240, 30454480]

約数ペア:

[(1, 30454480), (2, 15227240), (4, 7613620), (5, 6090896), (7, 4350640), (8, 3806810), (10, 3045448), (14, 2175320), (16, 1903405), (17, 1791440), (20, 1522724), (28, 1087660), (34, 895720), (35, 870128), (40, 761362), (49, 621520), (56, 543830), (68, 447860), (70, 435064), (80, 380681), (85, 358288), (98, 310760), (112, 271915), (119, 255920), (136, 223930), (140, 217532), (170, 179144), (196, 155380), (238, 127960), (245, 124304), (272, 111965), (280, 108766), (340, 89572), (392, 77690), (457, 66640), (476, 63980), (490, 62152), (560, 54383), (595, 51184), (680, 44786), (784, 38845), (833, 36560), (914, 33320), (952, 31990), (980, 31076), (1190, 25592), (1360, 22393), (1666, 18280), (1828, 16660), (1904, 15995), (1960, 15538), (2285, 13328), (2380, 12796), (3199, 9520), (3332, 9140), (3656, 8330), (3920, 7769), (4165, 7312), (4570, 6664), (4760, 6398)]