26931870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 84509568

約数和(自身を除く): 57577698

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 49, 62, 63, 70, 90, 93, 98, 105, 126, 147, 155, 186, 197, 210, 217, 245, 279, 294, 310, 315, 394, 434, 441, 465, 490, 558, 591, 630, 651, 735, 882, 930, 985, 1085, 1182, 1302, 1379, 1395, 1470, 1519, 1773, 1953, 1970, 2170, 2205, 2758, 2790, 2955, 3038, 3255, 3546, 3906, 4137, 4410, 4557, 5910, 6107, 6510, 6895, 7595, 8274, 8865, 9114, 9653, 9765, 12214, 12411, 13671, 13790, 15190, 17730, 18321, 19306, 19530, 20685, 22785, 24822, 27342, 28959, 30535, 36642, 41370, 42749, 45570, 48265, 54963, 57918, 61070, 62055, 68355, 85498, 86877, 91605, 96530, 109926, 124110, 128247, 136710, 144795, 173754, 183210, 213745, 256494, 274815, 289590, 299243, 384741, 427490, 434385, 549630, 598486, 641235, 769482, 868770, 897729, 1282470, 1496215, 1795458, 1923705, 2693187, 2992430, 3847410, 4488645, 5386374, 8977290, 13465935, 26931870]

約数ペア:

[(1, 26931870), (2, 13465935), (3, 8977290), (5, 5386374), (6, 4488645), (7, 3847410), (9, 2992430), (10, 2693187), (14, 1923705), (15, 1795458), (18, 1496215), (21, 1282470), (30, 897729), (31, 868770), (35, 769482), (42, 641235), (45, 598486), (49, 549630), (62, 434385), (63, 427490), (70, 384741), (90, 299243), (93, 289590), (98, 274815), (105, 256494), (126, 213745), (147, 183210), (155, 173754), (186, 144795), (197, 136710), (210, 128247), (217, 124110), (245, 109926), (279, 96530), (294, 91605), (310, 86877), (315, 85498), (394, 68355), (434, 62055), (441, 61070), (465, 57918), (490, 54963), (558, 48265), (591, 45570), (630, 42749), (651, 41370), (735, 36642), (882, 30535), (930, 28959), (985, 27342), (1085, 24822), (1182, 22785), (1302, 20685), (1379, 19530), (1395, 19306), (1470, 18321), (1519, 17730), (1773, 15190), (1953, 13790), (1970, 13671), (2170, 12411), (2205, 12214), (2758, 9765), (2790, 9653), (2955, 9114), (3038, 8865), (3255, 8274), (3546, 7595), (3906, 6895), (4137, 6510), (4410, 6107), (4557, 5910)]