145862440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1489}}^1$

素因数の和:1610

約数の個数: 64

約数和(自身を含む): 343296000

約数和(自身を除く): 197433560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 620, 632, 790, 1240, 1489, 1580, 2449, 2978, 3160, 4898, 5956, 7445, 9796, 11912, 12245, 14890, 19592, 24490, 29780, 46159, 48980, 59560, 92318, 97960, 117631, 184636, 230795, 235262, 369272, 461590, 470524, 588155, 923180, 941048, 1176310, 1846360, 2352620, 3646561, 4705240, 7293122, 14586244, 18232805, 29172488, 36465610, 72931220, 145862440]

約数ペア:

[(1, 145862440), (2, 72931220), (4, 36465610), (5, 29172488), (8, 18232805), (10, 14586244), (20, 7293122), (31, 4705240), (40, 3646561), (62, 2352620), (79, 1846360), (124, 1176310), (155, 941048), (158, 923180), (248, 588155), (310, 470524), (316, 461590), (395, 369272), (620, 235262), (632, 230795), (790, 184636), (1240, 117631), (1489, 97960), (1580, 92318), (2449, 59560), (2978, 48980), (3160, 46159), (4898, 29780), (5956, 24490), (7445, 19592), (9796, 14890), (11912, 12245)]