320480325

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4177}}^1$

素因数の和:4235

約数の個数: 72

約数和(自身を含む): 646553856

約数和(自身を除く): 326073531

約数列:

[1, 3, 5, 9, 11, 15, 25, 31, 33, 45, 55, 75, 93, 99, 155, 165, 225, 275, 279, 341, 465, 495, 775, 825, 1023, 1395, 1705, 2325, 2475, 3069, 4177, 5115, 6975, 8525, 12531, 15345, 20885, 25575, 37593, 45947, 62655, 76725, 104425, 129487, 137841, 187965, 229735, 313275, 388461, 413523, 647435, 689205, 939825, 1148675, 1165383, 1424357, 1942305, 2067615, 3237175, 3446025, 4273071, 5826915, 7121785, 9711525, 10338075, 12819213, 21365355, 29134575, 35608925, 64096065, 106826775, 320480325]

約数ペア:

[(1, 320480325), (3, 106826775), (5, 64096065), (9, 35608925), (11, 29134575), (15, 21365355), (25, 12819213), (31, 10338075), (33, 9711525), (45, 7121785), (55, 5826915), (75, 4273071), (93, 3446025), (99, 3237175), (155, 2067615), (165, 1942305), (225, 1424357), (275, 1165383), (279, 1148675), (341, 939825), (465, 689205), (495, 647435), (775, 413523), (825, 388461), (1023, 313275), (1395, 229735), (1705, 187965), (2325, 137841), (2475, 129487), (3069, 104425), (4177, 76725), (5115, 62655), (6975, 45947), (8525, 37593), (12531, 25575), (15345, 20885)]