28041840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 240

約数和(自身を含む): 104457600

約数和(自身を除く): 76415760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 29, 30, 34, 36, 40, 45, 48, 51, 58, 60, 68, 72, 79, 80, 85, 87, 90, 102, 116, 120, 136, 144, 145, 153, 158, 170, 174, 180, 204, 232, 237, 240, 255, 261, 272, 290, 306, 316, 340, 348, 360, 395, 408, 435, 464, 474, 493, 510, 522, 580, 612, 632, 680, 696, 711, 720, 765, 790, 816, 870, 948, 986, 1020, 1044, 1160, 1185, 1224, 1264, 1305, 1343, 1360, 1392, 1422, 1479, 1530, 1580, 1740, 1896, 1972, 2040, 2088, 2291, 2320, 2370, 2448, 2465, 2610, 2686, 2844, 2958, 3060, 3160, 3480, 3555, 3792, 3944, 4029, 4080, 4176, 4437, 4582, 4740, 4930, 5220, 5372, 5688, 5916, 6120, 6320, 6715, 6873, 6960, 7110, 7395, 7888, 8058, 8874, 9164, 9480, 9860, 10440, 10744, 11376, 11455, 11832, 12087, 12240, 13430, 13746, 14220, 14790, 16116, 17748, 18328, 18960, 19720, 20145, 20619, 20880, 21488, 22185, 22910, 23664, 24174, 26860, 27492, 28440, 29580, 32232, 34365, 35496, 36656, 38947, 39440, 40290, 41238, 44370, 45820, 48348, 53720, 54984, 56880, 59160, 60435, 64464, 68730, 70992, 77894, 80580, 82476, 88740, 91640, 96696, 103095, 107440, 109968, 116841, 118320, 120870, 137460, 155788, 161160, 164952, 177480, 183280, 193392, 194735, 206190, 233682, 241740, 274920, 311576, 322320, 329904, 350523, 354960, 389470, 412380, 467364, 483480, 549840, 584205, 623152, 701046, 778940, 824760, 934728, 966960, 1168410, 1402092, 1557880, 1649520, 1752615, 1869456, 2336820, 2804184, 3115760, 3505230, 4673640, 5608368, 7010460, 9347280, 14020920, 28041840]

約数ペア:

[(1, 28041840), (2, 14020920), (3, 9347280), (4, 7010460), (5, 5608368), (6, 4673640), (8, 3505230), (9, 3115760), (10, 2804184), (12, 2336820), (15, 1869456), (16, 1752615), (17, 1649520), (18, 1557880), (20, 1402092), (24, 1168410), (29, 966960), (30, 934728), (34, 824760), (36, 778940), (40, 701046), (45, 623152), (48, 584205), (51, 549840), (58, 483480), (60, 467364), (68, 412380), (72, 389470), (79, 354960), (80, 350523), (85, 329904), (87, 322320), (90, 311576), (102, 274920), (116, 241740), (120, 233682), (136, 206190), (144, 194735), (145, 193392), (153, 183280), (158, 177480), (170, 164952), (174, 161160), (180, 155788), (204, 137460), (232, 120870), (237, 118320), (240, 116841), (255, 109968), (261, 107440), (272, 103095), (290, 96696), (306, 91640), (316, 88740), (340, 82476), (348, 80580), (360, 77894), (395, 70992), (408, 68730), (435, 64464), (464, 60435), (474, 59160), (493, 56880), (510, 54984), (522, 53720), (580, 48348), (612, 45820), (632, 44370), (680, 41238), (696, 40290), (711, 39440), (720, 38947), (765, 36656), (790, 35496), (816, 34365), (870, 32232), (948, 29580), (986, 28440), (1020, 27492), (1044, 26860), (1160, 24174), (1185, 23664), (1224, 22910), (1264, 22185), (1305, 21488), (1343, 20880), (1360, 20619), (1392, 20145), (1422, 19720), (1479, 18960), (1530, 18328), (1580, 17748), (1740, 16116), (1896, 14790), (1972, 14220), (2040, 13746), (2088, 13430), (2291, 12240), (2320, 12087), (2370, 11832), (2448, 11455), (2465, 11376), (2610, 10744), (2686, 10440), (2844, 9860), (2958, 9480), (3060, 9164), (3160, 8874), (3480, 8058), (3555, 7888), (3792, 7395), (3944, 7110), (4029, 6960), (4080, 6873), (4176, 6715), (4437, 6320), (4582, 6120), (4740, 5916), (4930, 5688), (5220, 5372)]