15644020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{853}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 37876608

約数和(自身を除く): 22232588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 853, 917, 1310, 1706, 1834, 2620, 3412, 3668, 4265, 4585, 5971, 8530, 9170, 11942, 17060, 18340, 23884, 29855, 59710, 111743, 119420, 223486, 446972, 558715, 782201, 1117430, 1564402, 2234860, 3128804, 3911005, 7822010, 15644020]

約数ペア:

[(1, 15644020), (2, 7822010), (4, 3911005), (5, 3128804), (7, 2234860), (10, 1564402), (14, 1117430), (20, 782201), (28, 558715), (35, 446972), (70, 223486), (131, 119420), (140, 111743), (262, 59710), (524, 29855), (655, 23884), (853, 18340), (917, 17060), (1310, 11942), (1706, 9170), (1834, 8530), (2620, 5971), (3412, 4585), (3668, 4265)]