151702280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1134

約数の個数: 64

約数和(自身を含む): 353548800

約数和(自身を除く): 201846520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 172, 178, 215, 344, 356, 430, 445, 712, 860, 890, 991, 1720, 1780, 1982, 3560, 3827, 3964, 4955, 7654, 7928, 9910, 15308, 19135, 19820, 30616, 38270, 39640, 42613, 76540, 85226, 88199, 153080, 170452, 176398, 213065, 340904, 352796, 426130, 440995, 705592, 852260, 881990, 1704520, 1763980, 3527960, 3792557, 7585114, 15170228, 18962785, 30340456, 37925570, 75851140, 151702280]

約数ペア:

[(1, 151702280), (2, 75851140), (4, 37925570), (5, 30340456), (8, 18962785), (10, 15170228), (20, 7585114), (40, 3792557), (43, 3527960), (86, 1763980), (89, 1704520), (172, 881990), (178, 852260), (215, 705592), (344, 440995), (356, 426130), (430, 352796), (445, 340904), (712, 213065), (860, 176398), (890, 170452), (991, 153080), (1720, 88199), (1780, 85226), (1982, 76540), (3560, 42613), (3827, 39640), (3964, 38270), (4955, 30616), (7654, 19820), (7928, 19135), (9910, 15308)]