81258192

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:321

約数の個数: 120

約数和(自身を含む): 238318080

約数和(自身を除く): 157059888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 109, 124, 144, 167, 186, 218, 248, 279, 327, 334, 372, 436, 496, 501, 558, 654, 668, 744, 872, 981, 1002, 1116, 1308, 1336, 1488, 1503, 1744, 1962, 2004, 2232, 2616, 2672, 3006, 3379, 3924, 4008, 4464, 5177, 5232, 6012, 6758, 7848, 8016, 10137, 10354, 12024, 13516, 15531, 15696, 18203, 20274, 20708, 24048, 27032, 30411, 31062, 36406, 40548, 41416, 46593, 54064, 54609, 60822, 62124, 72812, 81096, 82832, 93186, 109218, 121644, 124248, 145624, 162192, 163827, 186372, 218436, 243288, 248496, 291248, 327654, 372744, 436872, 486576, 564293, 655308, 745488, 873744, 1128586, 1310616, 1692879, 2257172, 2621232, 3385758, 4514344, 5078637, 6771516, 9028688, 10157274, 13543032, 20314548, 27086064, 40629096, 81258192]

約数ペア:

[(1, 81258192), (2, 40629096), (3, 27086064), (4, 20314548), (6, 13543032), (8, 10157274), (9, 9028688), (12, 6771516), (16, 5078637), (18, 4514344), (24, 3385758), (31, 2621232), (36, 2257172), (48, 1692879), (62, 1310616), (72, 1128586), (93, 873744), (109, 745488), (124, 655308), (144, 564293), (167, 486576), (186, 436872), (218, 372744), (248, 327654), (279, 291248), (327, 248496), (334, 243288), (372, 218436), (436, 186372), (496, 163827), (501, 162192), (558, 145624), (654, 124248), (668, 121644), (744, 109218), (872, 93186), (981, 82832), (1002, 81096), (1116, 72812), (1308, 62124), (1336, 60822), (1488, 54609), (1503, 54064), (1744, 46593), (1962, 41416), (2004, 40548), (2232, 36406), (2616, 31062), (2672, 30411), (3006, 27032), (3379, 24048), (3924, 20708), (4008, 20274), (4464, 18203), (5177, 15696), (5232, 15531), (6012, 13516), (6758, 12024), (7848, 10354), (8016, 10137)]