1217128640

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{853}}^1$

素因数の和:904

約数の個数: 224

約数和(自身を含む): 3644188800

約数和(自身を除く): 2427060160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 343, 364, 392, 416, 448, 455, 490, 520, 560, 637, 686, 728, 784, 832, 853, 910, 980, 1040, 1120, 1274, 1372, 1456, 1568, 1706, 1715, 1820, 1960, 2080, 2240, 2548, 2744, 2912, 3136, 3185, 3412, 3430, 3640, 3920, 4160, 4265, 4459, 5096, 5488, 5824, 5971, 6370, 6824, 6860, 7280, 7840, 8530, 8918, 10192, 10976, 11089, 11942, 12740, 13648, 13720, 14560, 15680, 17060, 17836, 20384, 21952, 22178, 22295, 23884, 25480, 27296, 27440, 29120, 29855, 34120, 35672, 40768, 41797, 44356, 44590, 47768, 50960, 54592, 54880, 55445, 59710, 68240, 71344, 77623, 83594, 88712, 89180, 95536, 101920, 109760, 110890, 119420, 136480, 142688, 155246, 167188, 177424, 178360, 191072, 203840, 208985, 221780, 238840, 272960, 285376, 292579, 310492, 334376, 354848, 356720, 382144, 388115, 417970, 443560, 477680, 543361, 585158, 620984, 668752, 709696, 713440, 776230, 835940, 887120, 955360, 1086722, 1170316, 1241968, 1337504, 1426880, 1462895, 1552460, 1671880, 1774240, 1910720, 2173444, 2340632, 2483936, 2675008, 2716805, 2925790, 3104920, 3343760, 3548480, 3803527, 4346888, 4681264, 4967872, 5433610, 5851580, 6209840, 6687520, 7607054, 8693776, 9362528, 10867220, 11703160, 12419680, 13375040, 15214108, 17387552, 18725056, 19017635, 21734440, 23406320, 24839360, 30428216, 34775104, 38035270, 43468880, 46812640, 60856432, 76070540, 86937760, 93625280, 121712864, 152141080, 173875520, 243425728, 304282160, 608564320, 1217128640]

約数ペア:

[(1, 1217128640), (2, 608564320), (4, 304282160), (5, 243425728), (7, 173875520), (8, 152141080), (10, 121712864), (13, 93625280), (14, 86937760), (16, 76070540), (20, 60856432), (26, 46812640), (28, 43468880), (32, 38035270), (35, 34775104), (40, 30428216), (49, 24839360), (52, 23406320), (56, 21734440), (64, 19017635), (65, 18725056), (70, 17387552), (80, 15214108), (91, 13375040), (98, 12419680), (104, 11703160), (112, 10867220), (130, 9362528), (140, 8693776), (160, 7607054), (182, 6687520), (196, 6209840), (208, 5851580), (224, 5433610), (245, 4967872), (260, 4681264), (280, 4346888), (320, 3803527), (343, 3548480), (364, 3343760), (392, 3104920), (416, 2925790), (448, 2716805), (455, 2675008), (490, 2483936), (520, 2340632), (560, 2173444), (637, 1910720), (686, 1774240), (728, 1671880), (784, 1552460), (832, 1462895), (853, 1426880), (910, 1337504), (980, 1241968), (1040, 1170316), (1120, 1086722), (1274, 955360), (1372, 887120), (1456, 835940), (1568, 776230), (1706, 713440), (1715, 709696), (1820, 668752), (1960, 620984), (2080, 585158), (2240, 543361), (2548, 477680), (2744, 443560), (2912, 417970), (3136, 388115), (3185, 382144), (3412, 356720), (3430, 354848), (3640, 334376), (3920, 310492), (4160, 292579), (4265, 285376), (4459, 272960), (5096, 238840), (5488, 221780), (5824, 208985), (5971, 203840), (6370, 191072), (6824, 178360), (6860, 177424), (7280, 167188), (7840, 155246), (8530, 142688), (8918, 136480), (10192, 119420), (10976, 110890), (11089, 109760), (11942, 101920), (12740, 95536), (13648, 89180), (13720, 88712), (14560, 83594), (15680, 77623), (17060, 71344), (17836, 68240), (20384, 59710), (21952, 55445), (22178, 54880), (22295, 54592), (23884, 50960), (25480, 47768), (27296, 44590), (27440, 44356), (29120, 41797), (29855, 40768), (34120, 35672)]