31375008

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 144

約数和(自身を含む): 103783680

約数和(自身を除く): 72408672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 79, 84, 96, 112, 126, 144, 158, 168, 197, 224, 237, 252, 288, 316, 336, 394, 474, 504, 553, 591, 632, 672, 711, 788, 948, 1008, 1106, 1182, 1264, 1379, 1422, 1576, 1659, 1773, 1896, 2016, 2212, 2364, 2528, 2758, 2844, 3152, 3318, 3546, 3792, 4137, 4424, 4728, 4977, 5516, 5688, 6304, 6636, 7092, 7584, 8274, 8848, 9456, 9954, 11032, 11376, 12411, 13272, 14184, 15563, 16548, 17696, 18912, 19908, 22064, 22752, 24822, 26544, 28368, 31126, 33096, 39816, 44128, 46689, 49644, 53088, 56736, 62252, 66192, 79632, 93378, 99288, 108941, 124504, 132384, 140067, 159264, 186756, 198576, 217882, 249008, 280134, 326823, 373512, 397152, 435764, 498016, 560268, 653646, 747024, 871528, 980469, 1120536, 1307292, 1494048, 1743056, 1960938, 2241072, 2614584, 3486112, 3921876, 4482144, 5229168, 7843752, 10458336, 15687504, 31375008]

約数ペア:

[(1, 31375008), (2, 15687504), (3, 10458336), (4, 7843752), (6, 5229168), (7, 4482144), (8, 3921876), (9, 3486112), (12, 2614584), (14, 2241072), (16, 1960938), (18, 1743056), (21, 1494048), (24, 1307292), (28, 1120536), (32, 980469), (36, 871528), (42, 747024), (48, 653646), (56, 560268), (63, 498016), (72, 435764), (79, 397152), (84, 373512), (96, 326823), (112, 280134), (126, 249008), (144, 217882), (158, 198576), (168, 186756), (197, 159264), (224, 140067), (237, 132384), (252, 124504), (288, 108941), (316, 99288), (336, 93378), (394, 79632), (474, 66192), (504, 62252), (553, 56736), (591, 53088), (632, 49644), (672, 46689), (711, 44128), (788, 39816), (948, 33096), (1008, 31126), (1106, 28368), (1182, 26544), (1264, 24822), (1379, 22752), (1422, 22064), (1576, 19908), (1659, 18912), (1773, 17696), (1896, 16548), (2016, 15563), (2212, 14184), (2364, 13272), (2528, 12411), (2758, 11376), (2844, 11032), (3152, 9954), (3318, 9456), (3546, 8848), (3792, 8274), (4137, 7584), (4424, 7092), (4728, 6636), (4977, 6304), (5516, 5688)]