70987520

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1789}}^1$

素因数の和:1841

約数の個数: 72

約数和(自身を含む): 175620480

約数和(自身を除く): 104632960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1789, 1984, 2480, 3578, 3968, 4960, 7156, 7936, 8945, 9920, 14312, 17890, 19840, 28624, 35780, 39680, 55459, 57248, 71560, 110918, 114496, 143120, 221836, 228992, 277295, 286240, 443672, 457984, 554590, 572480, 887344, 1109180, 1144960, 1774688, 2218360, 2289920, 3549376, 4436720, 7098752, 8873440, 14197504, 17746880, 35493760, 70987520]

約数ペア:

[(1, 70987520), (2, 35493760), (4, 17746880), (5, 14197504), (8, 8873440), (10, 7098752), (16, 4436720), (20, 3549376), (31, 2289920), (32, 2218360), (40, 1774688), (62, 1144960), (64, 1109180), (80, 887344), (124, 572480), (128, 554590), (155, 457984), (160, 443672), (248, 286240), (256, 277295), (310, 228992), (320, 221836), (496, 143120), (620, 114496), (640, 110918), (992, 71560), (1240, 57248), (1280, 55459), (1789, 39680), (1984, 35780), (2480, 28624), (3578, 19840), (3968, 17890), (4960, 14312), (7156, 9920), (7936, 8945)]