681905136

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{673}}^1$

素因数の和:815

約数の個数: 160

約数和(自身を含む): 2045940480

約数和(自身を除く): 1364035344

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 33, 38, 44, 48, 57, 66, 76, 88, 101, 114, 132, 152, 176, 202, 209, 228, 264, 303, 304, 404, 418, 456, 528, 606, 627, 673, 808, 836, 912, 1111, 1212, 1254, 1346, 1616, 1672, 1919, 2019, 2222, 2424, 2508, 2692, 3333, 3344, 3838, 4038, 4444, 4848, 5016, 5384, 5757, 6666, 7403, 7676, 8076, 8888, 10032, 10768, 11514, 12787, 13332, 14806, 15352, 16152, 17776, 21109, 22209, 23028, 25574, 26664, 29612, 30704, 32304, 38361, 42218, 44418, 46056, 51148, 53328, 59224, 63327, 67973, 76722, 84436, 88836, 92112, 102296, 118448, 126654, 135946, 140657, 153444, 168872, 177672, 203919, 204592, 253308, 271892, 281314, 306888, 337744, 355344, 407838, 421971, 506616, 543784, 562628, 613776, 747703, 815676, 843942, 1013232, 1087568, 1125256, 1291487, 1495406, 1631352, 1687884, 2243109, 2250512, 2582974, 2990812, 3262704, 3375768, 3874461, 4486218, 5165948, 5981624, 6751536, 7748922, 8972436, 10331896, 11963248, 14206357, 15497844, 17944872, 20663792, 28412714, 30995688, 35889744, 42619071, 56825428, 61991376, 85238142, 113650856, 170476284, 227301712, 340952568, 681905136]

約数ペア:

[(1, 681905136), (2, 340952568), (3, 227301712), (4, 170476284), (6, 113650856), (8, 85238142), (11, 61991376), (12, 56825428), (16, 42619071), (19, 35889744), (22, 30995688), (24, 28412714), (33, 20663792), (38, 17944872), (44, 15497844), (48, 14206357), (57, 11963248), (66, 10331896), (76, 8972436), (88, 7748922), (101, 6751536), (114, 5981624), (132, 5165948), (152, 4486218), (176, 3874461), (202, 3375768), (209, 3262704), (228, 2990812), (264, 2582974), (303, 2250512), (304, 2243109), (404, 1687884), (418, 1631352), (456, 1495406), (528, 1291487), (606, 1125256), (627, 1087568), (673, 1013232), (808, 843942), (836, 815676), (912, 747703), (1111, 613776), (1212, 562628), (1254, 543784), (1346, 506616), (1616, 421971), (1672, 407838), (1919, 355344), (2019, 337744), (2222, 306888), (2424, 281314), (2508, 271892), (2692, 253308), (3333, 204592), (3344, 203919), (3838, 177672), (4038, 168872), (4444, 153444), (4848, 140657), (5016, 135946), (5384, 126654), (5757, 118448), (6666, 102296), (7403, 92112), (7676, 88836), (8076, 84436), (8888, 76722), (10032, 67973), (10768, 63327), (11514, 59224), (12787, 53328), (13332, 51148), (14806, 46056), (15352, 44418), (16152, 42218), (17776, 38361), (21109, 32304), (22209, 30704), (23028, 29612), (25574, 26664)]