28500720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{797}}^1$

素因数の和:962

約数の個数: 80

約数和(自身を含む): 89056800

約数和(自身を除く): 60556080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 149, 240, 298, 447, 596, 745, 797, 894, 1192, 1490, 1594, 1788, 2235, 2384, 2391, 2980, 3188, 3576, 3985, 4470, 4782, 5960, 6376, 7152, 7970, 8940, 9564, 11920, 11955, 12752, 15940, 17880, 19128, 23910, 31880, 35760, 38256, 47820, 63760, 95640, 118753, 191280, 237506, 356259, 475012, 593765, 712518, 950024, 1187530, 1425036, 1781295, 1900048, 2375060, 2850072, 3562590, 4750120, 5700144, 7125180, 9500240, 14250360, 28500720]

約数ペア:

[(1, 28500720), (2, 14250360), (3, 9500240), (4, 7125180), (5, 5700144), (6, 4750120), (8, 3562590), (10, 2850072), (12, 2375060), (15, 1900048), (16, 1781295), (20, 1425036), (24, 1187530), (30, 950024), (40, 712518), (48, 593765), (60, 475012), (80, 356259), (120, 237506), (149, 191280), (240, 118753), (298, 95640), (447, 63760), (596, 47820), (745, 38256), (797, 35760), (894, 31880), (1192, 23910), (1490, 19128), (1594, 17880), (1788, 15940), (2235, 12752), (2384, 11955), (2391, 11920), (2980, 9564), (3188, 8940), (3576, 7970), (3985, 7152), (4470, 6376), (4782, 5960)]