128522100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^3\times {\mathrm{1249}}^1$

素因数の和:1287

約数の個数: 144

約数和(自身を含む): 434000000

約数和(自身を除く): 305477900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 343, 350, 420, 490, 525, 588, 686, 700, 735, 980, 1029, 1050, 1225, 1249, 1372, 1470, 1715, 2058, 2100, 2450, 2498, 2940, 3430, 3675, 3747, 4116, 4900, 4996, 5145, 6245, 6860, 7350, 7494, 8575, 8743, 10290, 12490, 14700, 14988, 17150, 17486, 18735, 20580, 24980, 25725, 26229, 31225, 34300, 34972, 37470, 43715, 51450, 52458, 61201, 62450, 74940, 87430, 93675, 102900, 104916, 122402, 124900, 131145, 174860, 183603, 187350, 218575, 244804, 262290, 306005, 367206, 374700, 428407, 437150, 524580, 612010, 655725, 734412, 856814, 874300, 918015, 1224020, 1285221, 1311450, 1530025, 1713628, 1836030, 2142035, 2570442, 2622900, 3060050, 3672060, 4284070, 4590075, 5140884, 6120100, 6426105, 8568140, 9180150, 10710175, 12852210, 18360300, 21420350, 25704420, 32130525, 42840700, 64261050, 128522100]

約数ペア:

[(1, 128522100), (2, 64261050), (3, 42840700), (4, 32130525), (5, 25704420), (6, 21420350), (7, 18360300), (10, 12852210), (12, 10710175), (14, 9180150), (15, 8568140), (20, 6426105), (21, 6120100), (25, 5140884), (28, 4590075), (30, 4284070), (35, 3672060), (42, 3060050), (49, 2622900), (50, 2570442), (60, 2142035), (70, 1836030), (75, 1713628), (84, 1530025), (98, 1311450), (100, 1285221), (105, 1224020), (140, 918015), (147, 874300), (150, 856814), (175, 734412), (196, 655725), (210, 612010), (245, 524580), (294, 437150), (300, 428407), (343, 374700), (350, 367206), (420, 306005), (490, 262290), (525, 244804), (588, 218575), (686, 187350), (700, 183603), (735, 174860), (980, 131145), (1029, 124900), (1050, 122402), (1225, 104916), (1249, 102900), (1372, 93675), (1470, 87430), (1715, 74940), (2058, 62450), (2100, 61201), (2450, 52458), (2498, 51450), (2940, 43715), (3430, 37470), (3675, 34972), (3747, 34300), (4116, 31225), (4900, 26229), (4996, 25725), (5145, 24980), (6245, 20580), (6860, 18735), (7350, 17486), (7494, 17150), (8575, 14988), (8743, 14700), (10290, 12490)]