17961840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:152

約数の個数: 240

約数和(自身を含む): 69058080

約数和(自身を除く): 51096240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 101, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 202, 208, 228, 234, 240, 247, 260, 285, 303, 304, 312, 342, 360, 380, 390, 404, 456, 468, 494, 505, 520, 570, 585, 606, 624, 684, 720, 741, 760, 780, 808, 855, 909, 912, 936, 988, 1010, 1040, 1140, 1170, 1212, 1235, 1313, 1368, 1482, 1515, 1520, 1560, 1616, 1710, 1818, 1872, 1919, 1976, 2020, 2223, 2280, 2340, 2424, 2470, 2626, 2736, 2964, 3030, 3120, 3420, 3636, 3705, 3838, 3939, 3952, 4040, 4446, 4545, 4560, 4680, 4848, 4940, 5252, 5757, 5928, 6060, 6565, 6840, 7272, 7410, 7676, 7878, 8080, 8892, 9090, 9360, 9595, 9880, 10504, 11115, 11514, 11817, 11856, 12120, 13130, 13680, 14544, 14820, 15352, 15756, 17271, 17784, 18180, 19190, 19695, 19760, 21008, 22230, 23028, 23634, 24240, 24947, 26260, 28785, 29640, 30704, 31512, 34542, 35568, 36360, 38380, 39390, 44460, 46056, 47268, 49894, 52520, 57570, 59085, 59280, 63024, 69084, 72720, 74841, 76760, 78780, 86355, 88920, 92112, 94536, 99788, 105040, 115140, 118170, 124735, 138168, 149682, 153520, 157560, 172710, 177840, 189072, 199576, 224523, 230280, 236340, 249470, 276336, 299364, 315120, 345420, 374205, 399152, 449046, 460560, 472680, 498940, 598728, 690840, 748410, 898092, 945360, 997880, 1122615, 1197456, 1381680, 1496820, 1796184, 1995760, 2245230, 2993640, 3592368, 4490460, 5987280, 8980920, 17961840]

約数ペア:

[(1, 17961840), (2, 8980920), (3, 5987280), (4, 4490460), (5, 3592368), (6, 2993640), (8, 2245230), (9, 1995760), (10, 1796184), (12, 1496820), (13, 1381680), (15, 1197456), (16, 1122615), (18, 997880), (19, 945360), (20, 898092), (24, 748410), (26, 690840), (30, 598728), (36, 498940), (38, 472680), (39, 460560), (40, 449046), (45, 399152), (48, 374205), (52, 345420), (57, 315120), (60, 299364), (65, 276336), (72, 249470), (76, 236340), (78, 230280), (80, 224523), (90, 199576), (95, 189072), (101, 177840), (104, 172710), (114, 157560), (117, 153520), (120, 149682), (130, 138168), (144, 124735), (152, 118170), (156, 115140), (171, 105040), (180, 99788), (190, 94536), (195, 92112), (202, 88920), (208, 86355), (228, 78780), (234, 76760), (240, 74841), (247, 72720), (260, 69084), (285, 63024), (303, 59280), (304, 59085), (312, 57570), (342, 52520), (360, 49894), (380, 47268), (390, 46056), (404, 44460), (456, 39390), (468, 38380), (494, 36360), (505, 35568), (520, 34542), (570, 31512), (585, 30704), (606, 29640), (624, 28785), (684, 26260), (720, 24947), (741, 24240), (760, 23634), (780, 23028), (808, 22230), (855, 21008), (909, 19760), (912, 19695), (936, 19190), (988, 18180), (1010, 17784), (1040, 17271), (1140, 15756), (1170, 15352), (1212, 14820), (1235, 14544), (1313, 13680), (1368, 13130), (1482, 12120), (1515, 11856), (1520, 11817), (1560, 11514), (1616, 11115), (1710, 10504), (1818, 9880), (1872, 9595), (1919, 9360), (1976, 9090), (2020, 8892), (2223, 8080), (2280, 7878), (2340, 7676), (2424, 7410), (2470, 7272), (2626, 6840), (2736, 6565), (2964, 6060), (3030, 5928), (3120, 5757), (3420, 5252), (3636, 4940), (3705, 4848), (3838, 4680), (3939, 4560), (3952, 4545), (4040, 4446)]