18660240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 160

約数和(自身を含む): 65888640

約数和(自身を除く): 47228400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 53, 54, 60, 72, 80, 90, 106, 108, 120, 135, 144, 159, 163, 180, 212, 216, 240, 265, 270, 318, 326, 360, 424, 432, 477, 489, 530, 540, 636, 652, 720, 795, 815, 848, 954, 978, 1060, 1080, 1272, 1304, 1431, 1467, 1590, 1630, 1908, 1956, 2120, 2160, 2385, 2445, 2544, 2608, 2862, 2934, 3180, 3260, 3816, 3912, 4240, 4401, 4770, 4890, 5724, 5868, 6360, 6520, 7155, 7335, 7632, 7824, 8639, 8802, 9540, 9780, 11448, 11736, 12720, 13040, 14310, 14670, 17278, 17604, 19080, 19560, 22005, 22896, 23472, 25917, 28620, 29340, 34556, 35208, 38160, 39120, 43195, 44010, 51834, 57240, 58680, 69112, 70416, 77751, 86390, 88020, 103668, 114480, 117360, 129585, 138224, 155502, 172780, 176040, 207336, 233253, 259170, 311004, 345560, 352080, 388755, 414672, 466506, 518340, 622008, 691120, 777510, 933012, 1036680, 1166265, 1244016, 1555020, 1866024, 2073360, 2332530, 3110040, 3732048, 4665060, 6220080, 9330120, 18660240]

約数ペア:

[(1, 18660240), (2, 9330120), (3, 6220080), (4, 4665060), (5, 3732048), (6, 3110040), (8, 2332530), (9, 2073360), (10, 1866024), (12, 1555020), (15, 1244016), (16, 1166265), (18, 1036680), (20, 933012), (24, 777510), (27, 691120), (30, 622008), (36, 518340), (40, 466506), (45, 414672), (48, 388755), (53, 352080), (54, 345560), (60, 311004), (72, 259170), (80, 233253), (90, 207336), (106, 176040), (108, 172780), (120, 155502), (135, 138224), (144, 129585), (159, 117360), (163, 114480), (180, 103668), (212, 88020), (216, 86390), (240, 77751), (265, 70416), (270, 69112), (318, 58680), (326, 57240), (360, 51834), (424, 44010), (432, 43195), (477, 39120), (489, 38160), (530, 35208), (540, 34556), (636, 29340), (652, 28620), (720, 25917), (795, 23472), (815, 22896), (848, 22005), (954, 19560), (978, 19080), (1060, 17604), (1080, 17278), (1272, 14670), (1304, 14310), (1431, 13040), (1467, 12720), (1590, 11736), (1630, 11448), (1908, 9780), (1956, 9540), (2120, 8802), (2160, 8639), (2385, 7824), (2445, 7632), (2544, 7335), (2608, 7155), (2862, 6520), (2934, 6360), (3180, 5868), (3260, 5724), (3816, 4890), (3912, 4770), (4240, 4401)]