155711920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:399

約数の個数: 160

約数和(自身を含む): 453220992

約数和(自身を除く): 297509072

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 80, 91, 104, 112, 130, 140, 146, 182, 208, 260, 280, 292, 293, 364, 365, 455, 511, 520, 560, 584, 586, 728, 730, 910, 949, 1022, 1040, 1168, 1172, 1456, 1460, 1465, 1820, 1898, 2044, 2051, 2344, 2555, 2920, 2930, 3640, 3796, 3809, 4088, 4102, 4688, 4745, 5110, 5840, 5860, 6643, 7280, 7592, 7618, 8176, 8204, 9490, 10220, 10255, 11720, 13286, 15184, 15236, 16408, 18980, 19045, 20440, 20510, 21389, 23440, 26572, 26663, 30472, 32816, 33215, 37960, 38090, 40880, 41020, 42778, 53144, 53326, 60944, 66430, 75920, 76180, 82040, 85556, 106288, 106652, 106945, 132860, 133315, 149723, 152360, 164080, 171112, 213304, 213890, 265720, 266630, 278057, 299446, 304720, 342224, 426608, 427780, 531440, 533260, 556114, 598892, 748615, 855560, 1066520, 1112228, 1197784, 1390285, 1497230, 1711120, 1946399, 2133040, 2224456, 2395568, 2780570, 2994460, 3892798, 4448912, 5561140, 5988920, 7785596, 9731995, 11122280, 11977840, 15571192, 19463990, 22244560, 31142384, 38927980, 77855960, 155711920]

約数ペア:

[(1, 155711920), (2, 77855960), (4, 38927980), (5, 31142384), (7, 22244560), (8, 19463990), (10, 15571192), (13, 11977840), (14, 11122280), (16, 9731995), (20, 7785596), (26, 5988920), (28, 5561140), (35, 4448912), (40, 3892798), (52, 2994460), (56, 2780570), (65, 2395568), (70, 2224456), (73, 2133040), (80, 1946399), (91, 1711120), (104, 1497230), (112, 1390285), (130, 1197784), (140, 1112228), (146, 1066520), (182, 855560), (208, 748615), (260, 598892), (280, 556114), (292, 533260), (293, 531440), (364, 427780), (365, 426608), (455, 342224), (511, 304720), (520, 299446), (560, 278057), (584, 266630), (586, 265720), (728, 213890), (730, 213304), (910, 171112), (949, 164080), (1022, 152360), (1040, 149723), (1168, 133315), (1172, 132860), (1456, 106945), (1460, 106652), (1465, 106288), (1820, 85556), (1898, 82040), (2044, 76180), (2051, 75920), (2344, 66430), (2555, 60944), (2920, 53326), (2930, 53144), (3640, 42778), (3796, 41020), (3809, 40880), (4088, 38090), (4102, 37960), (4688, 33215), (4745, 32816), (5110, 30472), (5840, 26663), (5860, 26572), (6643, 23440), (7280, 21389), (7592, 20510), (7618, 20440), (8176, 19045), (8204, 18980), (9490, 16408), (10220, 15236), (10255, 15184), (11720, 13286)]