78559740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{2969}}^1$

素因数の和:3001

約数の個数: 144

約数和(自身を含む): 284407200

約数和(自身を除く): 205847460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 2969, 3780, 4410, 5292, 5938, 6615, 8820, 8907, 11876, 13230, 14845, 17814, 20783, 26460, 26721, 29690, 35628, 41566, 44535, 53442, 59380, 62349, 80163, 83132, 89070, 103915, 106884, 124698, 133605, 145481, 160326, 178140, 187047, 207830, 249396, 267210, 290962, 311745, 320652, 374094, 400815, 415660, 436443, 534420, 561141, 581924, 623490, 727405, 748188, 801630, 872886, 935235, 1122282, 1246980, 1309329, 1454810, 1603260, 1745772, 1870470, 2182215, 2244564, 2618658, 2805705, 2909620, 3740940, 3927987, 4364430, 5237316, 5611410, 6546645, 7855974, 8728860, 11222820, 13093290, 15711948, 19639935, 26186580, 39279870, 78559740]

約数ペア:

[(1, 78559740), (2, 39279870), (3, 26186580), (4, 19639935), (5, 15711948), (6, 13093290), (7, 11222820), (9, 8728860), (10, 7855974), (12, 6546645), (14, 5611410), (15, 5237316), (18, 4364430), (20, 3927987), (21, 3740940), (27, 2909620), (28, 2805705), (30, 2618658), (35, 2244564), (36, 2182215), (42, 1870470), (45, 1745772), (49, 1603260), (54, 1454810), (60, 1309329), (63, 1246980), (70, 1122282), (84, 935235), (90, 872886), (98, 801630), (105, 748188), (108, 727405), (126, 623490), (135, 581924), (140, 561141), (147, 534420), (180, 436443), (189, 415660), (196, 400815), (210, 374094), (245, 320652), (252, 311745), (270, 290962), (294, 267210), (315, 249396), (378, 207830), (420, 187047), (441, 178140), (490, 160326), (540, 145481), (588, 133605), (630, 124698), (735, 106884), (756, 103915), (882, 89070), (945, 83132), (980, 80163), (1260, 62349), (1323, 59380), (1470, 53442), (1764, 44535), (1890, 41566), (2205, 35628), (2646, 29690), (2940, 26721), (2969, 26460), (3780, 20783), (4410, 17814), (5292, 14845), (5938, 13230), (6615, 11876), (8820, 8907)]