28415280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{601}}^1$

素因数の和:814

約数の個数: 80

約数和(自身を含む): 88681824

約数和(自身を除く): 60266544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 197, 240, 394, 591, 601, 788, 985, 1182, 1202, 1576, 1803, 1970, 2364, 2404, 2955, 3005, 3152, 3606, 3940, 4728, 4808, 5910, 6010, 7212, 7880, 9015, 9456, 9616, 11820, 12020, 14424, 15760, 18030, 23640, 24040, 28848, 36060, 47280, 48080, 72120, 118397, 144240, 236794, 355191, 473588, 591985, 710382, 947176, 1183970, 1420764, 1775955, 1894352, 2367940, 2841528, 3551910, 4735880, 5683056, 7103820, 9471760, 14207640, 28415280]

約数ペア:

[(1, 28415280), (2, 14207640), (3, 9471760), (4, 7103820), (5, 5683056), (6, 4735880), (8, 3551910), (10, 2841528), (12, 2367940), (15, 1894352), (16, 1775955), (20, 1420764), (24, 1183970), (30, 947176), (40, 710382), (48, 591985), (60, 473588), (80, 355191), (120, 236794), (197, 144240), (240, 118397), (394, 72120), (591, 48080), (601, 47280), (788, 36060), (985, 28848), (1182, 24040), (1202, 23640), (1576, 18030), (1803, 15760), (1970, 14424), (2364, 12020), (2404, 11820), (2955, 9616), (3005, 9456), (3152, 9015), (3606, 7880), (3940, 7212), (4728, 6010), (4808, 5910)]