171487960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 458680320

約数和(自身を除く): 287192360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 83, 94, 140, 157, 166, 188, 235, 280, 314, 329, 332, 376, 415, 470, 581, 628, 658, 664, 785, 830, 940, 1099, 1162, 1256, 1316, 1570, 1645, 1660, 1880, 2198, 2324, 2632, 2905, 3140, 3290, 3320, 3901, 4396, 4648, 5495, 5810, 6280, 6580, 7379, 7802, 8792, 10990, 11620, 13031, 13160, 14758, 15604, 19505, 21980, 23240, 26062, 27307, 29516, 31208, 36895, 39010, 43960, 51653, 52124, 54614, 59032, 65155, 73790, 78020, 91217, 103306, 104248, 109228, 130310, 136535, 147580, 156040, 182434, 206612, 218456, 258265, 260620, 273070, 295160, 364868, 413224, 456085, 516530, 521240, 546140, 612457, 729736, 912170, 1033060, 1092280, 1224914, 1824340, 2066120, 2449828, 3062285, 3648680, 4287199, 4899656, 6124570, 8574398, 12249140, 17148796, 21435995, 24498280, 34297592, 42871990, 85743980, 171487960]

約数ペア:

[(1, 171487960), (2, 85743980), (4, 42871990), (5, 34297592), (7, 24498280), (8, 21435995), (10, 17148796), (14, 12249140), (20, 8574398), (28, 6124570), (35, 4899656), (40, 4287199), (47, 3648680), (56, 3062285), (70, 2449828), (83, 2066120), (94, 1824340), (140, 1224914), (157, 1092280), (166, 1033060), (188, 912170), (235, 729736), (280, 612457), (314, 546140), (329, 521240), (332, 516530), (376, 456085), (415, 413224), (470, 364868), (581, 295160), (628, 273070), (658, 260620), (664, 258265), (785, 218456), (830, 206612), (940, 182434), (1099, 156040), (1162, 147580), (1256, 136535), (1316, 130310), (1570, 109228), (1645, 104248), (1660, 103306), (1880, 91217), (2198, 78020), (2324, 73790), (2632, 65155), (2905, 59032), (3140, 54614), (3290, 52124), (3320, 51653), (3901, 43960), (4396, 39010), (4648, 36895), (5495, 31208), (5810, 29516), (6280, 27307), (6580, 26062), (7379, 23240), (7802, 21980), (8792, 19505), (10990, 15604), (11620, 14758), (13031, 13160)]