218540520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:241

約数の個数: 288

約数和(自身を含む): 812284200

約数和(自身を除く): 593743680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 29, 30, 33, 36, 40, 44, 45, 55, 58, 60, 66, 72, 87, 88, 90, 99, 110, 116, 120, 121, 132, 145, 165, 173, 174, 180, 198, 220, 232, 242, 261, 264, 290, 319, 330, 346, 348, 360, 363, 396, 435, 440, 484, 495, 519, 522, 580, 605, 638, 660, 692, 696, 726, 792, 865, 870, 957, 968, 990, 1038, 1044, 1089, 1160, 1210, 1276, 1305, 1320, 1384, 1452, 1557, 1595, 1730, 1740, 1815, 1903, 1914, 1980, 2076, 2088, 2178, 2420, 2552, 2595, 2610, 2871, 2904, 3114, 3190, 3460, 3480, 3509, 3630, 3806, 3828, 3960, 4152, 4356, 4785, 4840, 5017, 5190, 5220, 5445, 5709, 5742, 6228, 6380, 6920, 7018, 7260, 7612, 7656, 7785, 8712, 9515, 9570, 10034, 10380, 10440, 10527, 10890, 11418, 11484, 12456, 12760, 14036, 14355, 14520, 15051, 15224, 15570, 17127, 17545, 19030, 19140, 20068, 20760, 20933, 21054, 21780, 22836, 22968, 25085, 28072, 28545, 28710, 30102, 31140, 31581, 34254, 35090, 38060, 38280, 40136, 41866, 42108, 43560, 45153, 45672, 50170, 52635, 55187, 57090, 57420, 60204, 62280, 62799, 63162, 68508, 70180, 75255, 76120, 83732, 84216, 85635, 90306, 100340, 104665, 105270, 110374, 114180, 114840, 120408, 125598, 126324, 137016, 140360, 150510, 157905, 165561, 167464, 171270, 180612, 188397, 200680, 209330, 210540, 220748, 225765, 228360, 251196, 252648, 275935, 301020, 313995, 315810, 331122, 342540, 361224, 376794, 418660, 421080, 441496, 451530, 496683, 502392, 551870, 602040, 607057, 627990, 631620, 662244, 685080, 753588, 827805, 837320, 903060, 941985, 993366, 1103740, 1214114, 1255980, 1263240, 1324488, 1507176, 1655610, 1806120, 1821171, 1883970, 1986732, 2207480, 2428228, 2483415, 2511960, 3035285, 3311220, 3642342, 3767940, 3973464, 4856456, 4966830, 5463513, 6070570, 6622440, 7284684, 7535880, 9105855, 9933660, 10927026, 12141140, 14569368, 18211710, 19867320, 21854052, 24282280, 27317565, 36423420, 43708104, 54635130, 72846840, 109270260, 218540520]

約数ペア:

[(1, 218540520), (2, 109270260), (3, 72846840), (4, 54635130), (5, 43708104), (6, 36423420), (8, 27317565), (9, 24282280), (10, 21854052), (11, 19867320), (12, 18211710), (15, 14569368), (18, 12141140), (20, 10927026), (22, 9933660), (24, 9105855), (29, 7535880), (30, 7284684), (33, 6622440), (36, 6070570), (40, 5463513), (44, 4966830), (45, 4856456), (55, 3973464), (58, 3767940), (60, 3642342), (66, 3311220), (72, 3035285), (87, 2511960), (88, 2483415), (90, 2428228), (99, 2207480), (110, 1986732), (116, 1883970), (120, 1821171), (121, 1806120), (132, 1655610), (145, 1507176), (165, 1324488), (173, 1263240), (174, 1255980), (180, 1214114), (198, 1103740), (220, 993366), (232, 941985), (242, 903060), (261, 837320), (264, 827805), (290, 753588), (319, 685080), (330, 662244), (346, 631620), (348, 627990), (360, 607057), (363, 602040), (396, 551870), (435, 502392), (440, 496683), (484, 451530), (495, 441496), (519, 421080), (522, 418660), (580, 376794), (605, 361224), (638, 342540), (660, 331122), (692, 315810), (696, 313995), (726, 301020), (792, 275935), (865, 252648), (870, 251196), (957, 228360), (968, 225765), (990, 220748), (1038, 210540), (1044, 209330), (1089, 200680), (1160, 188397), (1210, 180612), (1276, 171270), (1305, 167464), (1320, 165561), (1384, 157905), (1452, 150510), (1557, 140360), (1595, 137016), (1730, 126324), (1740, 125598), (1815, 120408), (1903, 114840), (1914, 114180), (1980, 110374), (2076, 105270), (2088, 104665), (2178, 100340), (2420, 90306), (2552, 85635), (2595, 84216), (2610, 83732), (2871, 76120), (2904, 75255), (3114, 70180), (3190, 68508), (3460, 63162), (3480, 62799), (3509, 62280), (3630, 60204), (3806, 57420), (3828, 57090), (3960, 55187), (4152, 52635), (4356, 50170), (4785, 45672), (4840, 45153), (5017, 43560), (5190, 42108), (5220, 41866), (5445, 40136), (5709, 38280), (5742, 38060), (6228, 35090), (6380, 34254), (6920, 31581), (7018, 31140), (7260, 30102), (7612, 28710), (7656, 28545), (7785, 28072), (8712, 25085), (9515, 22968), (9570, 22836), (10034, 21780), (10380, 21054), (10440, 20933), (10527, 20760), (10890, 20068), (11418, 19140), (11484, 19030), (12456, 17545), (12760, 17127), (14036, 15570), (14355, 15224), (14520, 15051)]