15873920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1459}}^1$

素因数の和:1495

約数の個数: 64

約数和(自身を含む): 40208400

約数和(自身を除く): 24334480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 1459, 2176, 2720, 2918, 5440, 5836, 7295, 10880, 11672, 14590, 23344, 24803, 29180, 46688, 49606, 58360, 93376, 99212, 116720, 124015, 186752, 198424, 233440, 248030, 396848, 466880, 496060, 793696, 933760, 992120, 1587392, 1984240, 3174784, 3968480, 7936960, 15873920]

約数ペア:

[(1, 15873920), (2, 7936960), (4, 3968480), (5, 3174784), (8, 1984240), (10, 1587392), (16, 992120), (17, 933760), (20, 793696), (32, 496060), (34, 466880), (40, 396848), (64, 248030), (68, 233440), (80, 198424), (85, 186752), (128, 124015), (136, 116720), (160, 99212), (170, 93376), (272, 58360), (320, 49606), (340, 46688), (544, 29180), (640, 24803), (680, 23344), (1088, 14590), (1360, 11672), (1459, 10880), (2176, 7295), (2720, 5836), (2918, 5440)]