30881270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 70917120

約数和(自身を除く): 40035850

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 49, 62, 70, 95, 98, 107, 133, 155, 190, 214, 217, 245, 266, 310, 434, 490, 535, 589, 665, 749, 931, 1070, 1085, 1178, 1330, 1498, 1519, 1862, 2033, 2170, 2945, 3038, 3317, 3745, 4066, 4123, 4655, 5243, 5890, 6634, 7490, 7595, 8246, 9310, 10165, 10486, 14231, 15190, 16585, 20330, 20615, 23219, 26215, 28462, 28861, 33170, 41230, 46438, 52430, 57722, 63023, 71155, 99617, 116095, 126046, 142310, 144305, 162533, 199234, 232190, 288610, 315115, 325066, 441161, 498085, 630230, 812665, 882322, 996170, 1625330, 2205805, 3088127, 4411610, 6176254, 15440635, 30881270]

約数ペア:

[(1, 30881270), (2, 15440635), (5, 6176254), (7, 4411610), (10, 3088127), (14, 2205805), (19, 1625330), (31, 996170), (35, 882322), (38, 812665), (49, 630230), (62, 498085), (70, 441161), (95, 325066), (98, 315115), (107, 288610), (133, 232190), (155, 199234), (190, 162533), (214, 144305), (217, 142310), (245, 126046), (266, 116095), (310, 99617), (434, 71155), (490, 63023), (535, 57722), (589, 52430), (665, 46438), (749, 41230), (931, 33170), (1070, 28861), (1085, 28462), (1178, 26215), (1330, 23219), (1498, 20615), (1519, 20330), (1862, 16585), (2033, 15190), (2170, 14231), (2945, 10486), (3038, 10165), (3317, 9310), (3745, 8246), (4066, 7595), (4123, 7490), (4655, 6634), (5243, 5890)]