87709020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29833}}^1$

素因数の和:29859

約数の個数: 72

約数和(自身を含む): 285690384

約数和(自身を除く): 197981364

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 29833, 59666, 89499, 119332, 149165, 178998, 208831, 298330, 357996, 417662, 447495, 596660, 626493, 835324, 894990, 1044155, 1252986, 1461817, 1789980, 2088310, 2505972, 2923634, 3132465, 4176620, 4385451, 5847268, 6264930, 7309085, 8770902, 12529860, 14618170, 17541804, 21927255, 29236340, 43854510, 87709020]

約数ペア:

[(1, 87709020), (2, 43854510), (3, 29236340), (4, 21927255), (5, 17541804), (6, 14618170), (7, 12529860), (10, 8770902), (12, 7309085), (14, 6264930), (15, 5847268), (20, 4385451), (21, 4176620), (28, 3132465), (30, 2923634), (35, 2505972), (42, 2088310), (49, 1789980), (60, 1461817), (70, 1252986), (84, 1044155), (98, 894990), (105, 835324), (140, 626493), (147, 596660), (196, 447495), (210, 417662), (245, 357996), (294, 298330), (420, 208831), (490, 178998), (588, 149165), (735, 119332), (980, 89499), (1470, 59666), (2940, 29833)]