489291280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{3709}}^1$

素因数の和:3836

約数の個数: 80

約数和(自身を含む): 1217265840

約数和(自身を除く): 727974560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 97, 136, 170, 194, 272, 340, 388, 485, 680, 776, 970, 1360, 1552, 1649, 1940, 3298, 3709, 3880, 6596, 7418, 7760, 8245, 13192, 14836, 16490, 18545, 26384, 29672, 32980, 37090, 59344, 63053, 65960, 74180, 126106, 131920, 148360, 252212, 296720, 315265, 359773, 504424, 630530, 719546, 1008848, 1261060, 1439092, 1798865, 2522120, 2878184, 3597730, 5044240, 5756368, 6116141, 7195460, 12232282, 14390920, 24464564, 28781840, 30580705, 48929128, 61161410, 97858256, 122322820, 244645640, 489291280]

約数ペア:

[(1, 489291280), (2, 244645640), (4, 122322820), (5, 97858256), (8, 61161410), (10, 48929128), (16, 30580705), (17, 28781840), (20, 24464564), (34, 14390920), (40, 12232282), (68, 7195460), (80, 6116141), (85, 5756368), (97, 5044240), (136, 3597730), (170, 2878184), (194, 2522120), (272, 1798865), (340, 1439092), (388, 1261060), (485, 1008848), (680, 719546), (776, 630530), (970, 504424), (1360, 359773), (1552, 315265), (1649, 296720), (1940, 252212), (3298, 148360), (3709, 131920), (3880, 126106), (6596, 74180), (7418, 65960), (7760, 63053), (8245, 59344), (13192, 37090), (14836, 32980), (16490, 29672), (18545, 26384)]