78272172

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 231678720

約数和(自身を除く): 153406548

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 101, 103, 114, 132, 171, 198, 202, 206, 209, 228, 303, 309, 342, 396, 404, 412, 418, 606, 618, 627, 684, 836, 909, 927, 1111, 1133, 1212, 1236, 1254, 1818, 1854, 1881, 1919, 1957, 2222, 2266, 2508, 3333, 3399, 3636, 3708, 3762, 3838, 3914, 4444, 4532, 5757, 5871, 6666, 6798, 7524, 7676, 7828, 9999, 10197, 10403, 11514, 11742, 13332, 13596, 17271, 17613, 19998, 20394, 20806, 21109, 21527, 23028, 23484, 31209, 34542, 35226, 39996, 40788, 41612, 42218, 43054, 62418, 63327, 64581, 69084, 70452, 84436, 86108, 93627, 114433, 124836, 126654, 129162, 187254, 189981, 193743, 197657, 228866, 253308, 258324, 343299, 374508, 379962, 387486, 395314, 457732, 592971, 686598, 759924, 774972, 790628, 1029897, 1185942, 1373196, 1778913, 2059794, 2174227, 2371884, 3557826, 4119588, 4348454, 6522681, 7115652, 8696908, 13045362, 19568043, 26090724, 39136086, 78272172]

約数ペア:

[(1, 78272172), (2, 39136086), (3, 26090724), (4, 19568043), (6, 13045362), (9, 8696908), (11, 7115652), (12, 6522681), (18, 4348454), (19, 4119588), (22, 3557826), (33, 2371884), (36, 2174227), (38, 2059794), (44, 1778913), (57, 1373196), (66, 1185942), (76, 1029897), (99, 790628), (101, 774972), (103, 759924), (114, 686598), (132, 592971), (171, 457732), (198, 395314), (202, 387486), (206, 379962), (209, 374508), (228, 343299), (303, 258324), (309, 253308), (342, 228866), (396, 197657), (404, 193743), (412, 189981), (418, 187254), (606, 129162), (618, 126654), (627, 124836), (684, 114433), (836, 93627), (909, 86108), (927, 84436), (1111, 70452), (1133, 69084), (1212, 64581), (1236, 63327), (1254, 62418), (1818, 43054), (1854, 42218), (1881, 41612), (1919, 40788), (1957, 39996), (2222, 35226), (2266, 34542), (2508, 31209), (3333, 23484), (3399, 23028), (3636, 21527), (3708, 21109), (3762, 20806), (3838, 20394), (3914, 19998), (4444, 17613), (4532, 17271), (5757, 13596), (5871, 13332), (6666, 11742), (6798, 11514), (7524, 10403), (7676, 10197), (7828, 9999)]