156713140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1427}}^1$

素因数の和:1489

約数の個数: 72

約数和(自身を含む): 368252640

約数和(自身を除く): 211539500

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 578, 646, 1156, 1292, 1427, 1445, 1615, 2854, 2890, 3230, 5491, 5708, 5780, 6460, 7135, 10982, 14270, 21964, 24259, 27113, 27455, 28540, 48518, 54226, 54910, 97036, 108452, 109820, 121295, 135565, 242590, 271130, 412403, 460921, 485180, 542260, 824806, 921842, 1649612, 1843684, 2062015, 2304605, 4124030, 4609210, 7835657, 8248060, 9218420, 15671314, 31342628, 39178285, 78356570, 156713140]

約数ペア:

[(1, 156713140), (2, 78356570), (4, 39178285), (5, 31342628), (10, 15671314), (17, 9218420), (19, 8248060), (20, 7835657), (34, 4609210), (38, 4124030), (68, 2304605), (76, 2062015), (85, 1843684), (95, 1649612), (170, 921842), (190, 824806), (289, 542260), (323, 485180), (340, 460921), (380, 412403), (578, 271130), (646, 242590), (1156, 135565), (1292, 121295), (1427, 109820), (1445, 108452), (1615, 97036), (2854, 54910), (2890, 54226), (3230, 48518), (5491, 28540), (5708, 27455), (5780, 27113), (6460, 24259), (7135, 21964), (10982, 14270)]