644732490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1\times {\mathrm{547}}^1$

素因数の和:1047

約数の個数: 64

約数和(自身を含む): 1569559680

約数和(自身を除く): 924827190

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 101, 202, 303, 389, 505, 547, 606, 778, 1010, 1094, 1167, 1515, 1641, 1945, 2334, 2735, 3030, 3282, 3890, 5470, 5835, 8205, 11670, 16410, 39289, 55247, 78578, 110494, 117867, 165741, 196445, 212783, 235734, 276235, 331482, 392890, 425566, 552470, 589335, 638349, 828705, 1063915, 1178670, 1276698, 1657410, 2127830, 3191745, 6383490, 21491083, 42982166, 64473249, 107455415, 128946498, 214910830, 322366245, 644732490]

約数ペア:

[(1, 644732490), (2, 322366245), (3, 214910830), (5, 128946498), (6, 107455415), (10, 64473249), (15, 42982166), (30, 21491083), (101, 6383490), (202, 3191745), (303, 2127830), (389, 1657410), (505, 1276698), (547, 1178670), (606, 1063915), (778, 828705), (1010, 638349), (1094, 589335), (1167, 552470), (1515, 425566), (1641, 392890), (1945, 331482), (2334, 276235), (2735, 235734), (3030, 212783), (3282, 196445), (3890, 165741), (5470, 117867), (5835, 110494), (8205, 78578), (11670, 55247), (16410, 39289)]