19668240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{463}}^1$

素因数の和:541

約数の個数: 120

約数和(自身を含む): 67317120

約数和(自身を除く): 47648880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 72, 80, 90, 118, 120, 144, 177, 180, 236, 240, 295, 354, 360, 463, 472, 531, 590, 708, 720, 885, 926, 944, 1062, 1180, 1389, 1416, 1770, 1852, 2124, 2315, 2360, 2655, 2778, 2832, 3540, 3704, 4167, 4248, 4630, 4720, 5310, 5556, 6945, 7080, 7408, 8334, 8496, 9260, 10620, 11112, 13890, 14160, 16668, 18520, 20835, 21240, 22224, 27317, 27780, 33336, 37040, 41670, 42480, 54634, 55560, 66672, 81951, 83340, 109268, 111120, 136585, 163902, 166680, 218536, 245853, 273170, 327804, 333360, 409755, 437072, 491706, 546340, 655608, 819510, 983412, 1092680, 1229265, 1311216, 1639020, 1966824, 2185360, 2458530, 3278040, 3933648, 4917060, 6556080, 9834120, 19668240]

約数ペア:

[(1, 19668240), (2, 9834120), (3, 6556080), (4, 4917060), (5, 3933648), (6, 3278040), (8, 2458530), (9, 2185360), (10, 1966824), (12, 1639020), (15, 1311216), (16, 1229265), (18, 1092680), (20, 983412), (24, 819510), (30, 655608), (36, 546340), (40, 491706), (45, 437072), (48, 409755), (59, 333360), (60, 327804), (72, 273170), (80, 245853), (90, 218536), (118, 166680), (120, 163902), (144, 136585), (177, 111120), (180, 109268), (236, 83340), (240, 81951), (295, 66672), (354, 55560), (360, 54634), (463, 42480), (472, 41670), (531, 37040), (590, 33336), (708, 27780), (720, 27317), (885, 22224), (926, 21240), (944, 20835), (1062, 18520), (1180, 16668), (1389, 14160), (1416, 13890), (1770, 11112), (1852, 10620), (2124, 9260), (2315, 8496), (2360, 8334), (2655, 7408), (2778, 7080), (2832, 6945), (3540, 5556), (3704, 5310), (4167, 4720), (4248, 4630)]