31055880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 100310400

約数和(自身を除く): 69254520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 53, 57, 60, 76, 95, 106, 114, 120, 152, 159, 190, 212, 228, 257, 265, 285, 318, 380, 424, 456, 514, 530, 570, 636, 760, 771, 795, 1007, 1028, 1060, 1140, 1272, 1285, 1542, 1590, 2014, 2056, 2120, 2280, 2570, 3021, 3084, 3180, 3855, 4028, 4883, 5035, 5140, 6042, 6168, 6360, 7710, 8056, 9766, 10070, 10280, 12084, 13621, 14649, 15105, 15420, 19532, 20140, 24168, 24415, 27242, 29298, 30210, 30840, 39064, 40280, 40863, 48830, 54484, 58596, 60420, 68105, 73245, 81726, 97660, 108968, 117192, 120840, 136210, 146490, 163452, 195320, 204315, 258799, 272420, 292980, 326904, 408630, 517598, 544840, 585960, 776397, 817260, 1035196, 1293995, 1552794, 1634520, 2070392, 2587990, 3105588, 3881985, 5175980, 6211176, 7763970, 10351960, 15527940, 31055880]

約数ペア:

[(1, 31055880), (2, 15527940), (3, 10351960), (4, 7763970), (5, 6211176), (6, 5175980), (8, 3881985), (10, 3105588), (12, 2587990), (15, 2070392), (19, 1634520), (20, 1552794), (24, 1293995), (30, 1035196), (38, 817260), (40, 776397), (53, 585960), (57, 544840), (60, 517598), (76, 408630), (95, 326904), (106, 292980), (114, 272420), (120, 258799), (152, 204315), (159, 195320), (190, 163452), (212, 146490), (228, 136210), (257, 120840), (265, 117192), (285, 108968), (318, 97660), (380, 81726), (424, 73245), (456, 68105), (514, 60420), (530, 58596), (570, 54484), (636, 48830), (760, 40863), (771, 40280), (795, 39064), (1007, 30840), (1028, 30210), (1060, 29298), (1140, 27242), (1272, 24415), (1285, 24168), (1542, 20140), (1590, 19532), (2014, 15420), (2056, 15105), (2120, 14649), (2280, 13621), (2570, 12084), (3021, 10280), (3084, 10070), (3180, 9766), (3855, 8056), (4028, 7710), (4883, 6360), (5035, 6168), (5140, 6042)]