128584020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{757}}^1$

素因数の和:937

約数の個数: 96

約数和(自身を含む): 382032000

約数和(自身を除く): 253447980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 149, 190, 228, 285, 298, 380, 447, 570, 596, 745, 757, 894, 1140, 1490, 1514, 1788, 2235, 2271, 2831, 2980, 3028, 3785, 4470, 4542, 5662, 7570, 8493, 8940, 9084, 11324, 11355, 14155, 14383, 15140, 16986, 22710, 28310, 28766, 33972, 42465, 43149, 45420, 56620, 57532, 71915, 84930, 86298, 112793, 143830, 169860, 172596, 215745, 225586, 287660, 338379, 431490, 451172, 563965, 676758, 862980, 1127930, 1353516, 1691895, 2143067, 2255860, 3383790, 4286134, 6429201, 6767580, 8572268, 10715335, 12858402, 21430670, 25716804, 32146005, 42861340, 64292010, 128584020]

約数ペア:

[(1, 128584020), (2, 64292010), (3, 42861340), (4, 32146005), (5, 25716804), (6, 21430670), (10, 12858402), (12, 10715335), (15, 8572268), (19, 6767580), (20, 6429201), (30, 4286134), (38, 3383790), (57, 2255860), (60, 2143067), (76, 1691895), (95, 1353516), (114, 1127930), (149, 862980), (190, 676758), (228, 563965), (285, 451172), (298, 431490), (380, 338379), (447, 287660), (570, 225586), (596, 215745), (745, 172596), (757, 169860), (894, 143830), (1140, 112793), (1490, 86298), (1514, 84930), (1788, 71915), (2235, 57532), (2271, 56620), (2831, 45420), (2980, 43149), (3028, 42465), (3785, 33972), (4470, 28766), (4542, 28310), (5662, 22710), (7570, 16986), (8493, 15140), (8940, 14383), (9084, 14155), (11324, 11355)]