198408240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1153}}^1$

素因数の和:1411

約数の個数: 120

約数和(自身を含む): 669689280

約数和(自身を除く): 471281040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 239, 240, 360, 478, 717, 720, 956, 1153, 1195, 1434, 1912, 2151, 2306, 2390, 2868, 3459, 3585, 3824, 4302, 4612, 4780, 5736, 5765, 6918, 7170, 8604, 9224, 9560, 10377, 10755, 11472, 11530, 13836, 14340, 17208, 17295, 18448, 19120, 20754, 21510, 23060, 27672, 28680, 34416, 34590, 41508, 43020, 46120, 51885, 55344, 57360, 69180, 83016, 86040, 92240, 103770, 138360, 166032, 172080, 207540, 275567, 276720, 415080, 551134, 826701, 830160, 1102268, 1377835, 1653402, 2204536, 2480103, 2755670, 3306804, 4133505, 4409072, 4960206, 5511340, 6613608, 8267010, 9920412, 11022680, 12400515, 13227216, 16534020, 19840824, 22045360, 24801030, 33068040, 39681648, 49602060, 66136080, 99204120, 198408240]

約数ペア:

[(1, 198408240), (2, 99204120), (3, 66136080), (4, 49602060), (5, 39681648), (6, 33068040), (8, 24801030), (9, 22045360), (10, 19840824), (12, 16534020), (15, 13227216), (16, 12400515), (18, 11022680), (20, 9920412), (24, 8267010), (30, 6613608), (36, 5511340), (40, 4960206), (45, 4409072), (48, 4133505), (60, 3306804), (72, 2755670), (80, 2480103), (90, 2204536), (120, 1653402), (144, 1377835), (180, 1102268), (239, 830160), (240, 826701), (360, 551134), (478, 415080), (717, 276720), (720, 275567), (956, 207540), (1153, 172080), (1195, 166032), (1434, 138360), (1912, 103770), (2151, 92240), (2306, 86040), (2390, 83016), (2868, 69180), (3459, 57360), (3585, 55344), (3824, 51885), (4302, 46120), (4612, 43020), (4780, 41508), (5736, 34590), (5765, 34416), (6918, 28680), (7170, 27672), (8604, 23060), (9224, 21510), (9560, 20754), (10377, 19120), (10755, 18448), (11472, 17295), (11530, 17208), (13836, 14340)]