280438425

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1153}}^1$

素因数の和:1239

約数の個数: 72

約数和(自身を含む): 535751424

約数和(自身を除く): 255312999

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 47, 69, 75, 115, 141, 207, 225, 235, 345, 423, 575, 705, 1035, 1081, 1153, 1175, 1725, 2115, 3243, 3459, 3525, 5175, 5405, 5765, 9729, 10377, 10575, 16215, 17295, 26519, 27025, 28825, 48645, 51885, 54191, 79557, 81075, 86475, 132595, 162573, 238671, 243225, 259425, 270955, 397785, 487719, 662975, 812865, 1193355, 1246393, 1354775, 1988925, 2438595, 3739179, 4064325, 5966775, 6231965, 11217537, 12192975, 18695895, 31159825, 56087685, 93479475, 280438425]

約数ペア:

[(1, 280438425), (3, 93479475), (5, 56087685), (9, 31159825), (15, 18695895), (23, 12192975), (25, 11217537), (45, 6231965), (47, 5966775), (69, 4064325), (75, 3739179), (115, 2438595), (141, 1988925), (207, 1354775), (225, 1246393), (235, 1193355), (345, 812865), (423, 662975), (575, 487719), (705, 397785), (1035, 270955), (1081, 259425), (1153, 243225), (1175, 238671), (1725, 162573), (2115, 132595), (3243, 86475), (3459, 81075), (3525, 79557), (5175, 54191), (5405, 51885), (5765, 48645), (9729, 28825), (10377, 27025), (10575, 26519), (16215, 17295)]