12720240

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:189

約数の個数: 200

約数和(自身を含む): 47892768

約数和(自身を除く): 35172528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 151, 156, 162, 180, 195, 208, 216, 234, 240, 260, 270, 302, 312, 324, 351, 360, 390, 405, 432, 453, 468, 520, 540, 585, 604, 624, 648, 702, 720, 755, 780, 810, 906, 936, 1040, 1053, 1080, 1170, 1208, 1296, 1359, 1404, 1510, 1560, 1620, 1755, 1812, 1872, 1963, 2106, 2160, 2265, 2340, 2416, 2718, 2808, 3020, 3120, 3240, 3510, 3624, 3926, 4077, 4212, 4530, 4680, 5265, 5436, 5616, 5889, 6040, 6480, 6795, 7020, 7248, 7852, 8154, 8424, 9060, 9360, 9815, 10530, 10872, 11778, 12080, 12231, 13590, 14040, 15704, 16308, 16848, 17667, 18120, 19630, 20385, 21060, 21744, 23556, 24462, 27180, 28080, 29445, 31408, 32616, 35334, 36240, 39260, 40770, 42120, 47112, 48924, 53001, 54360, 58890, 61155, 65232, 70668, 78520, 81540, 84240, 88335, 94224, 97848, 106002, 108720, 117780, 122310, 141336, 157040, 159003, 163080, 176670, 195696, 212004, 235560, 244620, 265005, 282672, 318006, 326160, 353340, 424008, 471120, 489240, 530010, 636012, 706680, 795015, 848016, 978480, 1060020, 1272024, 1413360, 1590030, 2120040, 2544048, 3180060, 4240080, 6360120, 12720240]

約数ペア:

[(1, 12720240), (2, 6360120), (3, 4240080), (4, 3180060), (5, 2544048), (6, 2120040), (8, 1590030), (9, 1413360), (10, 1272024), (12, 1060020), (13, 978480), (15, 848016), (16, 795015), (18, 706680), (20, 636012), (24, 530010), (26, 489240), (27, 471120), (30, 424008), (36, 353340), (39, 326160), (40, 318006), (45, 282672), (48, 265005), (52, 244620), (54, 235560), (60, 212004), (65, 195696), (72, 176670), (78, 163080), (80, 159003), (81, 157040), (90, 141336), (104, 122310), (108, 117780), (117, 108720), (120, 106002), (130, 97848), (135, 94224), (144, 88335), (151, 84240), (156, 81540), (162, 78520), (180, 70668), (195, 65232), (208, 61155), (216, 58890), (234, 54360), (240, 53001), (260, 48924), (270, 47112), (302, 42120), (312, 40770), (324, 39260), (351, 36240), (360, 35334), (390, 32616), (405, 31408), (432, 29445), (453, 28080), (468, 27180), (520, 24462), (540, 23556), (585, 21744), (604, 21060), (624, 20385), (648, 19630), (702, 18120), (720, 17667), (755, 16848), (780, 16308), (810, 15704), (906, 14040), (936, 13590), (1040, 12231), (1053, 12080), (1080, 11778), (1170, 10872), (1208, 10530), (1296, 9815), (1359, 9360), (1404, 9060), (1510, 8424), (1560, 8154), (1620, 7852), (1755, 7248), (1812, 7020), (1872, 6795), (1963, 6480), (2106, 6040), (2160, 5889), (2265, 5616), (2340, 5436), (2416, 5265), (2718, 4680), (2808, 4530), (3020, 4212), (3120, 4077), (3240, 3926), (3510, 3624)]