128109780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{797}}^1$

素因数の和:878

約数の個数: 144

約数和(自身を含む): 418279680

約数和(自身を除く): 290169900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 47, 57, 60, 76, 90, 94, 95, 114, 141, 171, 180, 188, 190, 228, 235, 282, 285, 342, 380, 423, 470, 564, 570, 684, 705, 797, 846, 855, 893, 940, 1140, 1410, 1594, 1692, 1710, 1786, 2115, 2391, 2679, 2820, 3188, 3420, 3572, 3985, 4230, 4465, 4782, 5358, 7173, 7970, 8037, 8460, 8930, 9564, 10716, 11955, 13395, 14346, 15143, 15940, 16074, 17860, 23910, 26790, 28692, 30286, 32148, 35865, 37459, 40185, 45429, 47820, 53580, 60572, 71730, 74918, 75715, 80370, 90858, 112377, 136287, 143460, 149836, 151430, 160740, 181716, 187295, 224754, 227145, 272574, 302860, 337131, 374590, 449508, 454290, 545148, 561885, 674262, 681435, 711721, 749180, 908580, 1123770, 1348524, 1362870, 1423442, 1685655, 2135163, 2247540, 2725740, 2846884, 3371310, 3558605, 4270326, 6405489, 6742620, 7117210, 8540652, 10675815, 12810978, 14234420, 21351630, 25621956, 32027445, 42703260, 64054890, 128109780]

約数ペア:

[(1, 128109780), (2, 64054890), (3, 42703260), (4, 32027445), (5, 25621956), (6, 21351630), (9, 14234420), (10, 12810978), (12, 10675815), (15, 8540652), (18, 7117210), (19, 6742620), (20, 6405489), (30, 4270326), (36, 3558605), (38, 3371310), (45, 2846884), (47, 2725740), (57, 2247540), (60, 2135163), (76, 1685655), (90, 1423442), (94, 1362870), (95, 1348524), (114, 1123770), (141, 908580), (171, 749180), (180, 711721), (188, 681435), (190, 674262), (228, 561885), (235, 545148), (282, 454290), (285, 449508), (342, 374590), (380, 337131), (423, 302860), (470, 272574), (564, 227145), (570, 224754), (684, 187295), (705, 181716), (797, 160740), (846, 151430), (855, 149836), (893, 143460), (940, 136287), (1140, 112377), (1410, 90858), (1594, 80370), (1692, 75715), (1710, 74918), (1786, 71730), (2115, 60572), (2391, 53580), (2679, 47820), (2820, 45429), (3188, 40185), (3420, 37459), (3572, 35865), (3985, 32148), (4230, 30286), (4465, 28692), (4782, 26790), (5358, 23910), (7173, 17860), (7970, 16074), (8037, 15940), (8460, 15143), (8930, 14346), (9564, 13395), (10716, 11955)]