1311767520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{390407}}^1$

素因数の和:390432

約数の個数: 96

約数和(自身を含む): 4722375168

約数和(自身を除く): 3410607648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 390407, 780814, 1171221, 1561628, 1952035, 2342442, 2732849, 3123256, 3904070, 4684884, 5465698, 5856105, 6246512, 7808140, 8198547, 9369768, 10931396, 11712210, 12493024, 13664245, 15616280, 16397094, 18739536, 21862792, 23424420, 27328490, 31232560, 32794188, 37479072, 40992735, 43725584, 46848840, 54656980, 62465120, 65588376, 81985470, 87451168, 93697680, 109313960, 131176752, 163970940, 187395360, 218627920, 262353504, 327941880, 437255840, 655883760, 1311767520]

約数ペア:

[(1, 1311767520), (2, 655883760), (3, 437255840), (4, 327941880), (5, 262353504), (6, 218627920), (7, 187395360), (8, 163970940), (10, 131176752), (12, 109313960), (14, 93697680), (15, 87451168), (16, 81985470), (20, 65588376), (21, 62465120), (24, 54656980), (28, 46848840), (30, 43725584), (32, 40992735), (35, 37479072), (40, 32794188), (42, 31232560), (48, 27328490), (56, 23424420), (60, 21862792), (70, 18739536), (80, 16397094), (84, 15616280), (96, 13664245), (105, 12493024), (112, 11712210), (120, 10931396), (140, 9369768), (160, 8198547), (168, 7808140), (210, 6246512), (224, 5856105), (240, 5465698), (280, 4684884), (336, 3904070), (420, 3123256), (480, 2732849), (560, 2342442), (672, 1952035), (840, 1561628), (1120, 1171221), (1680, 780814), (3360, 390407)]