1288789740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1022849}}^1$

素因数の和:1022871

約数の個数: 72

約数和(自身を含む): 4467808800

約数和(自身を除く): 3179019060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1022849, 2045698, 3068547, 4091396, 5114245, 6137094, 7159943, 9205641, 10228490, 12274188, 14319886, 15342735, 18411282, 20456980, 21479829, 28639772, 30685470, 35799715, 36822564, 42959658, 46028205, 61370940, 64439487, 71599430, 85919316, 92056410, 107399145, 128878974, 143198860, 184112820, 214798290, 257757948, 322197435, 429596580, 644394870, 1288789740]

約数ペア:

[(1, 1288789740), (2, 644394870), (3, 429596580), (4, 322197435), (5, 257757948), (6, 214798290), (7, 184112820), (9, 143198860), (10, 128878974), (12, 107399145), (14, 92056410), (15, 85919316), (18, 71599430), (20, 64439487), (21, 61370940), (28, 46028205), (30, 42959658), (35, 36822564), (36, 35799715), (42, 30685470), (45, 28639772), (60, 21479829), (63, 20456980), (70, 18411282), (84, 15342735), (90, 14319886), (105, 12274188), (126, 10228490), (140, 9205641), (180, 7159943), (210, 6137094), (252, 5114245), (315, 4091396), (420, 3068547), (630, 2045698), (1260, 1022849)]