30486640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 77137920

約数和(自身を除く): 46651280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 647, 760, 1178, 1240, 1294, 1520, 2356, 2480, 2588, 2945, 3235, 4712, 5176, 5890, 6470, 9424, 10352, 11780, 12293, 12940, 20057, 23560, 24586, 25880, 40114, 47120, 49172, 51760, 61465, 80228, 98344, 100285, 122930, 160456, 196688, 200570, 245860, 320912, 381083, 401140, 491720, 762166, 802280, 983440, 1524332, 1604560, 1905415, 3048664, 3810830, 6097328, 7621660, 15243320, 30486640]

約数ペア:

[(1, 30486640), (2, 15243320), (4, 7621660), (5, 6097328), (8, 3810830), (10, 3048664), (16, 1905415), (19, 1604560), (20, 1524332), (31, 983440), (38, 802280), (40, 762166), (62, 491720), (76, 401140), (80, 381083), (95, 320912), (124, 245860), (152, 200570), (155, 196688), (190, 160456), (248, 122930), (304, 100285), (310, 98344), (380, 80228), (496, 61465), (589, 51760), (620, 49172), (647, 47120), (760, 40114), (1178, 25880), (1240, 24586), (1294, 23560), (1520, 20057), (2356, 12940), (2480, 12293), (2588, 11780), (2945, 10352), (3235, 9424), (4712, 6470), (5176, 5890)]