779635120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{28579}}^1$

素因数の和:28634

約数の個数: 80

約数和(自身を含む): 2041297920

約数和(自身を除く): 1261662800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 27280, 28579, 57158, 114316, 142895, 228632, 285790, 314369, 457264, 571580, 628738, 885949, 1143160, 1257476, 1571845, 1771898, 2286320, 2514952, 3143690, 3543796, 4429745, 5029904, 6287380, 7087592, 8859490, 9745439, 12574760, 14175184, 17718980, 19490878, 25149520, 35437960, 38981756, 48727195, 70875920, 77963512, 97454390, 155927024, 194908780, 389817560, 779635120]

約数ペア:

[(1, 779635120), (2, 389817560), (4, 194908780), (5, 155927024), (8, 97454390), (10, 77963512), (11, 70875920), (16, 48727195), (20, 38981756), (22, 35437960), (31, 25149520), (40, 19490878), (44, 17718980), (55, 14175184), (62, 12574760), (80, 9745439), (88, 8859490), (110, 7087592), (124, 6287380), (155, 5029904), (176, 4429745), (220, 3543796), (248, 3143690), (310, 2514952), (341, 2286320), (440, 1771898), (496, 1571845), (620, 1257476), (682, 1143160), (880, 885949), (1240, 628738), (1364, 571580), (1705, 457264), (2480, 314369), (2728, 285790), (3410, 228632), (5456, 142895), (6820, 114316), (13640, 57158), (27280, 28579)]