16408140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{5581}}^1$

素因数の和:5607

約数の個数: 72

約数和(自身を含む): 53453232

約数和(自身を除く): 37045092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 5581, 11162, 16743, 22324, 27905, 33486, 39067, 55810, 66972, 78134, 83715, 111620, 117201, 156268, 167430, 195335, 234402, 273469, 334860, 390670, 468804, 546938, 586005, 781340, 820407, 1093876, 1172010, 1367345, 1640814, 2344020, 2734690, 3281628, 4102035, 5469380, 8204070, 16408140]

約数ペア:

[(1, 16408140), (2, 8204070), (3, 5469380), (4, 4102035), (5, 3281628), (6, 2734690), (7, 2344020), (10, 1640814), (12, 1367345), (14, 1172010), (15, 1093876), (20, 820407), (21, 781340), (28, 586005), (30, 546938), (35, 468804), (42, 390670), (49, 334860), (60, 273469), (70, 234402), (84, 195335), (98, 167430), (105, 156268), (140, 117201), (147, 111620), (196, 83715), (210, 78134), (245, 66972), (294, 55810), (420, 39067), (490, 33486), (588, 27905), (735, 22324), (980, 16743), (1470, 11162), (2940, 5581)]