80299920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:341

約数の個数: 160

約数和(自身を含む): 263983104

約数和(自身を除く): 183683184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 43, 48, 60, 62, 80, 86, 93, 120, 124, 129, 155, 172, 186, 215, 240, 248, 251, 258, 310, 344, 372, 430, 465, 496, 502, 516, 620, 645, 688, 744, 753, 860, 930, 1004, 1032, 1240, 1255, 1290, 1333, 1488, 1506, 1720, 1860, 2008, 2064, 2480, 2510, 2580, 2666, 3012, 3440, 3720, 3765, 3999, 4016, 5020, 5160, 5332, 6024, 6665, 7440, 7530, 7781, 7998, 10040, 10320, 10664, 10793, 12048, 13330, 15060, 15562, 15996, 19995, 20080, 21328, 21586, 23343, 26660, 30120, 31124, 31992, 32379, 38905, 39990, 43172, 46686, 53320, 53965, 60240, 62248, 63984, 64758, 77810, 79980, 86344, 93372, 106640, 107930, 116715, 124496, 129516, 155620, 159960, 161895, 172688, 186744, 215860, 233430, 259032, 311240, 319920, 323790, 334583, 373488, 431720, 466860, 518064, 622480, 647580, 669166, 863440, 933720, 1003749, 1295160, 1338332, 1672915, 1867440, 2007498, 2590320, 2676664, 3345830, 4014996, 5018745, 5353328, 6691660, 8029992, 10037490, 13383320, 16059984, 20074980, 26766640, 40149960, 80299920]

約数ペア:

[(1, 80299920), (2, 40149960), (3, 26766640), (4, 20074980), (5, 16059984), (6, 13383320), (8, 10037490), (10, 8029992), (12, 6691660), (15, 5353328), (16, 5018745), (20, 4014996), (24, 3345830), (30, 2676664), (31, 2590320), (40, 2007498), (43, 1867440), (48, 1672915), (60, 1338332), (62, 1295160), (80, 1003749), (86, 933720), (93, 863440), (120, 669166), (124, 647580), (129, 622480), (155, 518064), (172, 466860), (186, 431720), (215, 373488), (240, 334583), (248, 323790), (251, 319920), (258, 311240), (310, 259032), (344, 233430), (372, 215860), (430, 186744), (465, 172688), (496, 161895), (502, 159960), (516, 155620), (620, 129516), (645, 124496), (688, 116715), (744, 107930), (753, 106640), (860, 93372), (930, 86344), (1004, 79980), (1032, 77810), (1240, 64758), (1255, 63984), (1290, 62248), (1333, 60240), (1488, 53965), (1506, 53320), (1720, 46686), (1860, 43172), (2008, 39990), (2064, 38905), (2480, 32379), (2510, 31992), (2580, 31124), (2666, 30120), (3012, 26660), (3440, 23343), (3720, 21586), (3765, 21328), (3999, 20080), (4016, 19995), (5020, 15996), (5160, 15562), (5332, 15060), (6024, 13330), (6665, 12048), (7440, 10793), (7530, 10664), (7781, 10320), (7998, 10040)]