68989760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1664

約数の個数: 112

約数和(自身を含む): 197754240

約数和(自身を除く): 128764480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 665, 760, 1064, 1120, 1216, 1330, 1520, 1621, 2128, 2240, 2660, 3040, 3242, 4256, 5320, 6080, 6484, 8105, 8512, 10640, 11347, 12968, 16210, 21280, 22694, 25936, 30799, 32420, 42560, 45388, 51872, 56735, 61598, 64840, 90776, 103744, 113470, 123196, 129680, 153995, 181552, 215593, 226940, 246392, 259360, 307990, 363104, 431186, 453880, 492784, 518720, 615980, 726208, 862372, 907760, 985568, 1077965, 1231960, 1724744, 1815520, 1971136, 2155930, 2463920, 3449488, 3631040, 4311860, 4927840, 6898976, 8623720, 9855680, 13797952, 17247440, 34494880, 68989760]

約数ペア:

[(1, 68989760), (2, 34494880), (4, 17247440), (5, 13797952), (7, 9855680), (8, 8623720), (10, 6898976), (14, 4927840), (16, 4311860), (19, 3631040), (20, 3449488), (28, 2463920), (32, 2155930), (35, 1971136), (38, 1815520), (40, 1724744), (56, 1231960), (64, 1077965), (70, 985568), (76, 907760), (80, 862372), (95, 726208), (112, 615980), (133, 518720), (140, 492784), (152, 453880), (160, 431186), (190, 363104), (224, 307990), (266, 259360), (280, 246392), (304, 226940), (320, 215593), (380, 181552), (448, 153995), (532, 129680), (560, 123196), (608, 113470), (665, 103744), (760, 90776), (1064, 64840), (1120, 61598), (1216, 56735), (1330, 51872), (1520, 45388), (1621, 42560), (2128, 32420), (2240, 30799), (2660, 25936), (3040, 22694), (3242, 21280), (4256, 16210), (5320, 12968), (6080, 11347), (6484, 10640), (8105, 8512)]