172868920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1579}}^1$

素因数の和:1637

約数の個数: 128

約数和(自身を含む): 491443200

約数和(自身を除く): 318574280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 85, 92, 115, 119, 136, 140, 161, 170, 184, 230, 238, 280, 322, 340, 391, 460, 476, 595, 644, 680, 782, 805, 920, 952, 1190, 1288, 1564, 1579, 1610, 1955, 2380, 2737, 3128, 3158, 3220, 3910, 4760, 5474, 6316, 6440, 7820, 7895, 10948, 11053, 12632, 13685, 15640, 15790, 21896, 22106, 26843, 27370, 31580, 36317, 44212, 53686, 54740, 55265, 63160, 72634, 88424, 107372, 109480, 110530, 134215, 145268, 181585, 187901, 214744, 221060, 254219, 268430, 290536, 363170, 375802, 442120, 508438, 536860, 617389, 726340, 751604, 939505, 1016876, 1073720, 1234778, 1271095, 1452680, 1503208, 1879010, 2033752, 2469556, 2542190, 3086945, 3758020, 4321723, 4939112, 5084380, 6173890, 7516040, 8643446, 10168760, 12347780, 17286892, 21608615, 24695560, 34573784, 43217230, 86434460, 172868920]

約数ペア:

[(1, 172868920), (2, 86434460), (4, 43217230), (5, 34573784), (7, 24695560), (8, 21608615), (10, 17286892), (14, 12347780), (17, 10168760), (20, 8643446), (23, 7516040), (28, 6173890), (34, 5084380), (35, 4939112), (40, 4321723), (46, 3758020), (56, 3086945), (68, 2542190), (70, 2469556), (85, 2033752), (92, 1879010), (115, 1503208), (119, 1452680), (136, 1271095), (140, 1234778), (161, 1073720), (170, 1016876), (184, 939505), (230, 751604), (238, 726340), (280, 617389), (322, 536860), (340, 508438), (391, 442120), (460, 375802), (476, 363170), (595, 290536), (644, 268430), (680, 254219), (782, 221060), (805, 214744), (920, 187901), (952, 181585), (1190, 145268), (1288, 134215), (1564, 110530), (1579, 109480), (1610, 107372), (1955, 88424), (2380, 72634), (2737, 63160), (3128, 55265), (3158, 54740), (3220, 53686), (3910, 44212), (4760, 36317), (5474, 31580), (6316, 27370), (6440, 26843), (7820, 22106), (7895, 21896), (10948, 15790), (11053, 15640), (12632, 13685)]