139540140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4283}}^1$

素因数の和:4479

約数の個数: 72

約数和(自身を含む): 425709648

約数和(自身を除く): 286169508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 4283, 5430, 6516, 8145, 8566, 10860, 12849, 16290, 17132, 21415, 25698, 32580, 38547, 42830, 51396, 64245, 77094, 85660, 128490, 154188, 192735, 256980, 385470, 770940, 775223, 1550446, 2325669, 3100892, 3876115, 4651338, 6977007, 7752230, 9302676, 11628345, 13954014, 15504460, 23256690, 27908028, 34885035, 46513380, 69770070, 139540140]

約数ペア:

[(1, 139540140), (2, 69770070), (3, 46513380), (4, 34885035), (5, 27908028), (6, 23256690), (9, 15504460), (10, 13954014), (12, 11628345), (15, 9302676), (18, 7752230), (20, 6977007), (30, 4651338), (36, 3876115), (45, 3100892), (60, 2325669), (90, 1550446), (180, 775223), (181, 770940), (362, 385470), (543, 256980), (724, 192735), (905, 154188), (1086, 128490), (1629, 85660), (1810, 77094), (2172, 64245), (2715, 51396), (3258, 42830), (3620, 38547), (4283, 32580), (5430, 25698), (6516, 21415), (8145, 17132), (8566, 16290), (10860, 12849)]