131548040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:711

約数の個数: 128

約数和(自身を含む): 352719360

約数和(自身を除く): 221171320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 23, 26, 34, 40, 46, 52, 65, 68, 85, 92, 104, 115, 130, 136, 170, 184, 221, 230, 260, 299, 340, 391, 442, 460, 520, 598, 647, 680, 782, 884, 920, 1105, 1196, 1294, 1495, 1564, 1768, 1955, 2210, 2392, 2588, 2990, 3128, 3235, 3910, 4420, 5083, 5176, 5980, 6470, 7820, 8411, 8840, 10166, 10999, 11960, 12940, 14881, 15640, 16822, 20332, 21998, 25415, 25880, 29762, 33644, 40664, 42055, 43996, 50830, 54995, 59524, 67288, 74405, 84110, 87992, 101660, 109990, 119048, 142987, 148810, 168220, 193453, 203320, 219980, 252977, 285974, 297620, 336440, 386906, 439960, 505954, 571948, 595240, 714935, 773812, 967265, 1011908, 1143896, 1264885, 1429870, 1547624, 1934530, 2023816, 2529770, 2859740, 3288701, 3869060, 5059540, 5719480, 6577402, 7738120, 10119080, 13154804, 16443505, 26309608, 32887010, 65774020, 131548040]

約数ペア:

[(1, 131548040), (2, 65774020), (4, 32887010), (5, 26309608), (8, 16443505), (10, 13154804), (13, 10119080), (17, 7738120), (20, 6577402), (23, 5719480), (26, 5059540), (34, 3869060), (40, 3288701), (46, 2859740), (52, 2529770), (65, 2023816), (68, 1934530), (85, 1547624), (92, 1429870), (104, 1264885), (115, 1143896), (130, 1011908), (136, 967265), (170, 773812), (184, 714935), (221, 595240), (230, 571948), (260, 505954), (299, 439960), (340, 386906), (391, 336440), (442, 297620), (460, 285974), (520, 252977), (598, 219980), (647, 203320), (680, 193453), (782, 168220), (884, 148810), (920, 142987), (1105, 119048), (1196, 109990), (1294, 101660), (1495, 87992), (1564, 84110), (1768, 74405), (1955, 67288), (2210, 59524), (2392, 54995), (2588, 50830), (2990, 43996), (3128, 42055), (3235, 40664), (3910, 33644), (4420, 29762), (5083, 25880), (5176, 25415), (5980, 21998), (6470, 20332), (7820, 16822), (8411, 15640), (8840, 14881), (10166, 12940), (10999, 11960)]