217679760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:230

約数の個数: 240

約数和(自身を含む): 766022400

約数和(自身を除く): 548342640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 79, 80, 86, 89, 90, 120, 129, 144, 158, 172, 178, 180, 215, 237, 240, 258, 267, 316, 344, 356, 360, 387, 395, 430, 445, 474, 516, 534, 632, 645, 688, 711, 712, 720, 774, 790, 801, 860, 890, 948, 1032, 1068, 1185, 1264, 1290, 1335, 1422, 1424, 1548, 1580, 1602, 1720, 1780, 1896, 1935, 2064, 2136, 2370, 2580, 2670, 2844, 3096, 3160, 3204, 3397, 3440, 3555, 3560, 3792, 3827, 3870, 4005, 4272, 4740, 5160, 5340, 5688, 6192, 6320, 6408, 6794, 7031, 7110, 7120, 7654, 7740, 8010, 9480, 10191, 10320, 10680, 11376, 11481, 12816, 13588, 14062, 14220, 15308, 15480, 16020, 16985, 18960, 19135, 20382, 21093, 21360, 22962, 27176, 28124, 28440, 30573, 30616, 30960, 32040, 33970, 34443, 35155, 38270, 40764, 42186, 45924, 50955, 54352, 56248, 56880, 57405, 61146, 61232, 63279, 64080, 67940, 68886, 70310, 76540, 81528, 84372, 91848, 101910, 105465, 112496, 114810, 122292, 126558, 135880, 137772, 140620, 152865, 153080, 163056, 168744, 172215, 183696, 203820, 210930, 229620, 244584, 253116, 271760, 275544, 281240, 302333, 305730, 306160, 316395, 337488, 344430, 407640, 421860, 459240, 489168, 506232, 551088, 562480, 604666, 611460, 632790, 688860, 815280, 843720, 906999, 918480, 1012464, 1209332, 1222920, 1265580, 1377720, 1511665, 1687440, 1813998, 2418664, 2445840, 2531160, 2720997, 2755440, 3023330, 3627996, 4534995, 4837328, 5062320, 5441994, 6046660, 7255992, 9069990, 10883988, 12093320, 13604985, 14511984, 18139980, 21767976, 24186640, 27209970, 36279960, 43535952, 54419940, 72559920, 108839880, 217679760]

約数ペア:

[(1, 217679760), (2, 108839880), (3, 72559920), (4, 54419940), (5, 43535952), (6, 36279960), (8, 27209970), (9, 24186640), (10, 21767976), (12, 18139980), (15, 14511984), (16, 13604985), (18, 12093320), (20, 10883988), (24, 9069990), (30, 7255992), (36, 6046660), (40, 5441994), (43, 5062320), (45, 4837328), (48, 4534995), (60, 3627996), (72, 3023330), (79, 2755440), (80, 2720997), (86, 2531160), (89, 2445840), (90, 2418664), (120, 1813998), (129, 1687440), (144, 1511665), (158, 1377720), (172, 1265580), (178, 1222920), (180, 1209332), (215, 1012464), (237, 918480), (240, 906999), (258, 843720), (267, 815280), (316, 688860), (344, 632790), (356, 611460), (360, 604666), (387, 562480), (395, 551088), (430, 506232), (445, 489168), (474, 459240), (516, 421860), (534, 407640), (632, 344430), (645, 337488), (688, 316395), (711, 306160), (712, 305730), (720, 302333), (774, 281240), (790, 275544), (801, 271760), (860, 253116), (890, 244584), (948, 229620), (1032, 210930), (1068, 203820), (1185, 183696), (1264, 172215), (1290, 168744), (1335, 163056), (1422, 153080), (1424, 152865), (1548, 140620), (1580, 137772), (1602, 135880), (1720, 126558), (1780, 122292), (1896, 114810), (1935, 112496), (2064, 105465), (2136, 101910), (2370, 91848), (2580, 84372), (2670, 81528), (2844, 76540), (3096, 70310), (3160, 68886), (3204, 67940), (3397, 64080), (3440, 63279), (3555, 61232), (3560, 61146), (3792, 57405), (3827, 56880), (3870, 56248), (4005, 54352), (4272, 50955), (4740, 45924), (5160, 42186), (5340, 40764), (5688, 38270), (6192, 35155), (6320, 34443), (6408, 33970), (6794, 32040), (7031, 30960), (7110, 30616), (7120, 30573), (7654, 28440), (7740, 28124), (8010, 27176), (9480, 22962), (10191, 21360), (10320, 21093), (10680, 20382), (11376, 19135), (11481, 18960), (12816, 16985), (13588, 16020), (14062, 15480), (14220, 15308)]