87908940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{9967}}^1$

素因数の和:9996

約数の個数: 108

約数和(自身を含む): 310224096

約数和(自身を除く): 222315156

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 9967, 19934, 29901, 39868, 49835, 59802, 69769, 89703, 99670, 119604, 139538, 149505, 179406, 199340, 209307, 279076, 299010, 348845, 358812, 418614, 448515, 488383, 598020, 627921, 697690, 837228, 897030, 976766, 1046535, 1255842, 1395380, 1465149, 1794060, 1953532, 2093070, 2441915, 2511684, 2930298, 3139605, 4186140, 4395447, 4883830, 5860596, 6279210, 7325745, 8790894, 9767660, 12558420, 14651490, 17581788, 21977235, 29302980, 43954470, 87908940]

約数ペア:

[(1, 87908940), (2, 43954470), (3, 29302980), (4, 21977235), (5, 17581788), (6, 14651490), (7, 12558420), (9, 9767660), (10, 8790894), (12, 7325745), (14, 6279210), (15, 5860596), (18, 4883830), (20, 4395447), (21, 4186140), (28, 3139605), (30, 2930298), (35, 2511684), (36, 2441915), (42, 2093070), (45, 1953532), (49, 1794060), (60, 1465149), (63, 1395380), (70, 1255842), (84, 1046535), (90, 976766), (98, 897030), (105, 837228), (126, 697690), (140, 627921), (147, 598020), (180, 488383), (196, 448515), (210, 418614), (245, 358812), (252, 348845), (294, 299010), (315, 279076), (420, 209307), (441, 199340), (490, 179406), (588, 149505), (630, 139538), (735, 119604), (882, 99670), (980, 89703), (1260, 69769), (1470, 59802), (1764, 49835), (2205, 39868), (2940, 29901), (4410, 19934), (8820, 9967)]