30811768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 67737600

約数和(自身を除く): 36925832

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 247, 248, 403, 494, 503, 589, 806, 988, 1006, 1178, 1612, 1976, 2012, 2356, 3224, 4024, 4712, 6539, 7657, 9557, 13078, 15314, 15593, 19114, 26156, 30628, 31186, 38228, 52312, 61256, 62372, 76456, 124241, 124744, 202709, 248482, 296267, 405418, 496964, 592534, 810836, 993928, 1185068, 1621672, 2370136, 3851471, 7702942, 15405884, 30811768]

約数ペア:

[(1, 30811768), (2, 15405884), (4, 7702942), (8, 3851471), (13, 2370136), (19, 1621672), (26, 1185068), (31, 993928), (38, 810836), (52, 592534), (62, 496964), (76, 405418), (104, 296267), (124, 248482), (152, 202709), (247, 124744), (248, 124241), (403, 76456), (494, 62372), (503, 61256), (589, 52312), (806, 38228), (988, 31186), (1006, 30628), (1178, 26156), (1612, 19114), (1976, 15593), (2012, 15314), (2356, 13078), (3224, 9557), (4024, 7657), (4712, 6539)]