201667520

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:886

約数の個数: 112

約数和(自身を含む): 518464800

約数和(自身を除く): 316797280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 152, 160, 164, 190, 205, 304, 320, 328, 380, 410, 608, 656, 760, 779, 809, 820, 1216, 1312, 1520, 1558, 1618, 1640, 2624, 3040, 3116, 3236, 3280, 3895, 4045, 6080, 6232, 6472, 6560, 7790, 8090, 12464, 12944, 13120, 15371, 15580, 16180, 24928, 25888, 30742, 31160, 32360, 33169, 49856, 51776, 61484, 62320, 64720, 66338, 76855, 122968, 124640, 129440, 132676, 153710, 165845, 245936, 249280, 258880, 265352, 307420, 331690, 491872, 530704, 614840, 630211, 663380, 983744, 1061408, 1229680, 1260422, 1326760, 2122816, 2459360, 2520844, 2653520, 3151055, 4918720, 5041688, 5307040, 6302110, 10083376, 10614080, 12604220, 20166752, 25208440, 40333504, 50416880, 100833760, 201667520]

約数ペア:

[(1, 201667520), (2, 100833760), (4, 50416880), (5, 40333504), (8, 25208440), (10, 20166752), (16, 12604220), (19, 10614080), (20, 10083376), (32, 6302110), (38, 5307040), (40, 5041688), (41, 4918720), (64, 3151055), (76, 2653520), (80, 2520844), (82, 2459360), (95, 2122816), (152, 1326760), (160, 1260422), (164, 1229680), (190, 1061408), (205, 983744), (304, 663380), (320, 630211), (328, 614840), (380, 530704), (410, 491872), (608, 331690), (656, 307420), (760, 265352), (779, 258880), (809, 249280), (820, 245936), (1216, 165845), (1312, 153710), (1520, 132676), (1558, 129440), (1618, 124640), (1640, 122968), (2624, 76855), (3040, 66338), (3116, 64720), (3236, 62320), (3280, 61484), (3895, 51776), (4045, 49856), (6080, 33169), (6232, 32360), (6472, 31160), (6560, 30742), (7790, 25888), (8090, 24928), (12464, 16180), (12944, 15580), (13120, 15371)]