71448780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:823

約数の個数: 96

約数和(自身を含む): 217324800

約数和(自身を除く): 145876020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 139, 156, 195, 260, 278, 390, 417, 556, 659, 695, 780, 834, 1318, 1390, 1668, 1807, 1977, 2085, 2636, 2780, 3295, 3614, 3954, 4170, 5421, 6590, 7228, 7908, 8340, 8567, 9035, 9885, 10842, 13180, 17134, 18070, 19770, 21684, 25701, 27105, 34268, 36140, 39540, 42835, 51402, 54210, 85670, 91601, 102804, 108420, 128505, 171340, 183202, 257010, 274803, 366404, 458005, 514020, 549606, 916010, 1099212, 1190813, 1374015, 1832020, 2381626, 2748030, 3572439, 4763252, 5496060, 5954065, 7144878, 11908130, 14289756, 17862195, 23816260, 35724390, 71448780]

約数ペア:

[(1, 71448780), (2, 35724390), (3, 23816260), (4, 17862195), (5, 14289756), (6, 11908130), (10, 7144878), (12, 5954065), (13, 5496060), (15, 4763252), (20, 3572439), (26, 2748030), (30, 2381626), (39, 1832020), (52, 1374015), (60, 1190813), (65, 1099212), (78, 916010), (130, 549606), (139, 514020), (156, 458005), (195, 366404), (260, 274803), (278, 257010), (390, 183202), (417, 171340), (556, 128505), (659, 108420), (695, 102804), (780, 91601), (834, 85670), (1318, 54210), (1390, 51402), (1668, 42835), (1807, 39540), (1977, 36140), (2085, 34268), (2636, 27105), (2780, 25701), (3295, 21684), (3614, 19770), (3954, 18070), (4170, 17134), (5421, 13180), (6590, 10842), (7228, 9885), (7908, 9035), (8340, 8567)]