87999680

素因数分解:

$2^6\times 5^1\times {\mathrm{59}}^2\times {\mathrm{79}}^1$

素因数の和:214

約数の個数: 84

約数和(自身を含む): 215859360

約数和(自身を除く): 127859680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 79, 80, 118, 158, 160, 236, 295, 316, 320, 395, 472, 590, 632, 790, 944, 1180, 1264, 1580, 1888, 2360, 2528, 3160, 3481, 3776, 4661, 4720, 5056, 6320, 6962, 9322, 9440, 12640, 13924, 17405, 18644, 18880, 23305, 25280, 27848, 34810, 37288, 46610, 55696, 69620, 74576, 93220, 111392, 139240, 149152, 186440, 222784, 274999, 278480, 298304, 372880, 549998, 556960, 745760, 1099996, 1113920, 1374995, 1491520, 2199992, 2749990, 4399984, 5499980, 8799968, 10999960, 17599936, 21999920, 43999840, 87999680]

約数ペア:

[(1, 87999680), (2, 43999840), (4, 21999920), (5, 17599936), (8, 10999960), (10, 8799968), (16, 5499980), (20, 4399984), (32, 2749990), (40, 2199992), (59, 1491520), (64, 1374995), (79, 1113920), (80, 1099996), (118, 745760), (158, 556960), (160, 549998), (236, 372880), (295, 298304), (316, 278480), (320, 274999), (395, 222784), (472, 186440), (590, 149152), (632, 139240), (790, 111392), (944, 93220), (1180, 74576), (1264, 69620), (1580, 55696), (1888, 46610), (2360, 37288), (2528, 34810), (3160, 27848), (3481, 25280), (3776, 23305), (4661, 18880), (4720, 18644), (5056, 17405), (6320, 13924), (6962, 12640), (9322, 9440)]