40149960

素因数分解:

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

素因数の和:339

約数の個数: 128

約数和(自身を含む): 127733760

約数和(自身を除く): 87583800

約数列:

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

約数ペア:

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