1964731005

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:556

約数の個数: 128

約数和(自身を含む): 3874752000

約数和(自身を除く): 1910020995

約数列:

[1, 3, 5, 9, 15, 19, 27, 29, 45, 57, 61, 87, 95, 135, 145, 171, 183, 261, 285, 305, 433, 435, 513, 549, 551, 783, 855, 915, 1159, 1299, 1305, 1647, 1653, 1769, 2165, 2565, 2745, 2755, 3477, 3897, 3915, 4959, 5307, 5795, 6495, 8227, 8235, 8265, 8845, 10431, 11691, 12557, 14877, 15921, 17385, 19485, 24681, 24795, 26413, 26535, 31293, 33611, 37671, 41135, 47763, 52155, 58455, 62785, 74043, 74385, 79239, 79605, 100833, 113013, 123405, 132065, 156465, 168055, 188355, 222129, 237717, 238583, 238815, 302499, 339039, 370215, 396195, 501847, 504165, 565065, 713151, 715749, 765977, 907497, 1110645, 1188585, 1192915, 1505541, 1512495, 1695195, 2147247, 2297931, 2509235, 3565755, 3578745, 3829885, 4516623, 4537485, 6441741, 6893793, 7527705, 10736235, 11489655, 13549869, 14553563, 20681379, 22583115, 32208705, 34468965, 43660689, 67749345, 72767815, 103406895, 130982067, 218303445, 392946201, 654910335, 1964731005]

約数ペア:

[(1, 1964731005), (3, 654910335), (5, 392946201), (9, 218303445), (15, 130982067), (19, 103406895), (27, 72767815), (29, 67749345), (45, 43660689), (57, 34468965), (61, 32208705), (87, 22583115), (95, 20681379), (135, 14553563), (145, 13549869), (171, 11489655), (183, 10736235), (261, 7527705), (285, 6893793), (305, 6441741), (433, 4537485), (435, 4516623), (513, 3829885), (549, 3578745), (551, 3565755), (783, 2509235), (855, 2297931), (915, 2147247), (1159, 1695195), (1299, 1512495), (1305, 1505541), (1647, 1192915), (1653, 1188585), (1769, 1110645), (2165, 907497), (2565, 765977), (2745, 715749), (2755, 713151), (3477, 565065), (3897, 504165), (3915, 501847), (4959, 396195), (5307, 370215), (5795, 339039), (6495, 302499), (8227, 238815), (8235, 238583), (8265, 237717), (8845, 222129), (10431, 188355), (11691, 168055), (12557, 156465), (14877, 132065), (15921, 123405), (17385, 113013), (19485, 100833), (24681, 79605), (24795, 79239), (26413, 74385), (26535, 74043), (31293, 62785), (33611, 58455), (37671, 52155), (41135, 47763)]