72301920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 242694144

約数和(自身を除く): 170392224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 43, 48, 60, 62, 80, 86, 93, 96, 113, 120, 124, 129, 155, 160, 172, 186, 215, 226, 240, 248, 258, 310, 339, 344, 372, 430, 452, 465, 480, 496, 516, 565, 620, 645, 678, 688, 744, 860, 904, 930, 992, 1032, 1130, 1240, 1290, 1333, 1356, 1376, 1488, 1695, 1720, 1808, 1860, 2064, 2260, 2480, 2580, 2666, 2712, 2976, 3390, 3440, 3503, 3616, 3720, 3999, 4128, 4520, 4859, 4960, 5160, 5332, 5424, 6665, 6780, 6880, 7006, 7440, 7998, 9040, 9718, 10320, 10509, 10664, 10848, 13330, 13560, 14012, 14577, 14880, 15996, 17515, 18080, 19436, 19995, 20640, 21018, 21328, 24295, 26660, 27120, 28024, 29154, 31992, 35030, 38872, 39990, 42036, 42656, 48590, 52545, 53320, 54240, 56048, 58308, 63984, 70060, 72885, 77744, 79980, 84072, 97180, 105090, 106640, 112096, 116616, 127968, 140120, 145770, 150629, 155488, 159960, 168144, 194360, 210180, 213280, 233232, 280240, 291540, 301258, 319920, 336288, 388720, 420360, 451887, 466464, 560480, 583080, 602516, 639840, 753145, 777440, 840720, 903774, 1166160, 1205032, 1506290, 1681440, 1807548, 2259435, 2332320, 2410064, 3012580, 3615096, 4518870, 4820128, 6025160, 7230192, 9037740, 12050320, 14460384, 18075480, 24100640, 36150960, 72301920]

約数ペア:

[(1, 72301920), (2, 36150960), (3, 24100640), (4, 18075480), (5, 14460384), (6, 12050320), (8, 9037740), (10, 7230192), (12, 6025160), (15, 4820128), (16, 4518870), (20, 3615096), (24, 3012580), (30, 2410064), (31, 2332320), (32, 2259435), (40, 1807548), (43, 1681440), (48, 1506290), (60, 1205032), (62, 1166160), (80, 903774), (86, 840720), (93, 777440), (96, 753145), (113, 639840), (120, 602516), (124, 583080), (129, 560480), (155, 466464), (160, 451887), (172, 420360), (186, 388720), (215, 336288), (226, 319920), (240, 301258), (248, 291540), (258, 280240), (310, 233232), (339, 213280), (344, 210180), (372, 194360), (430, 168144), (452, 159960), (465, 155488), (480, 150629), (496, 145770), (516, 140120), (565, 127968), (620, 116616), (645, 112096), (678, 106640), (688, 105090), (744, 97180), (860, 84072), (904, 79980), (930, 77744), (992, 72885), (1032, 70060), (1130, 63984), (1240, 58308), (1290, 56048), (1333, 54240), (1356, 53320), (1376, 52545), (1488, 48590), (1695, 42656), (1720, 42036), (1808, 39990), (1860, 38872), (2064, 35030), (2260, 31992), (2480, 29154), (2580, 28024), (2666, 27120), (2712, 26660), (2976, 24295), (3390, 21328), (3440, 21018), (3503, 20640), (3616, 19995), (3720, 19436), (3999, 18080), (4128, 17515), (4520, 15996), (4859, 14880), (4960, 14577), (5160, 14012), (5332, 13560), (5424, 13330), (6665, 10848), (6780, 10664), (6880, 10509), (7006, 10320), (7440, 9718), (7998, 9040)]