220108980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{443}}^1$

素因数の和:495

約数の個数: 216

約数和(自身を含む): 778069152

約数和(自身を除く): 557960172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 169, 182, 195, 196, 210, 245, 260, 273, 294, 338, 364, 390, 420, 443, 455, 490, 507, 546, 588, 637, 676, 735, 780, 845, 886, 910, 980, 1014, 1092, 1183, 1274, 1329, 1365, 1470, 1690, 1772, 1820, 1911, 2028, 2215, 2366, 2535, 2548, 2658, 2730, 2940, 3101, 3185, 3380, 3549, 3822, 4430, 4732, 5070, 5316, 5460, 5759, 5915, 6202, 6370, 6645, 7098, 7644, 8281, 8860, 9303, 9555, 10140, 11518, 11830, 12404, 12740, 13290, 14196, 15505, 16562, 17277, 17745, 18606, 19110, 21707, 23036, 23660, 24843, 26580, 28795, 31010, 33124, 34554, 35490, 37212, 38220, 40313, 41405, 43414, 46515, 49686, 57590, 62020, 65121, 69108, 70980, 74867, 80626, 82810, 86385, 86828, 93030, 99372, 108535, 115180, 120939, 124215, 130242, 149734, 161252, 165620, 172770, 186060, 201565, 217070, 224601, 241878, 248430, 260484, 282191, 299468, 325605, 345540, 374335, 403130, 434140, 449202, 483756, 496860, 524069, 564382, 604695, 651210, 748670, 806260, 846573, 898404, 1048138, 1123005, 1128764, 1209390, 1302420, 1410955, 1497340, 1572207, 1693146, 2096276, 2246010, 2418780, 2620345, 2821910, 3144414, 3386292, 3668483, 4232865, 4492020, 5240690, 5643820, 6288828, 7336966, 7861035, 8465730, 10481380, 11005449, 14673932, 15722070, 16931460, 18342415, 22010898, 31444140, 36684830, 44021796, 55027245, 73369660, 110054490, 220108980]

約数ペア:

[(1, 220108980), (2, 110054490), (3, 73369660), (4, 55027245), (5, 44021796), (6, 36684830), (7, 31444140), (10, 22010898), (12, 18342415), (13, 16931460), (14, 15722070), (15, 14673932), (20, 11005449), (21, 10481380), (26, 8465730), (28, 7861035), (30, 7336966), (35, 6288828), (39, 5643820), (42, 5240690), (49, 4492020), (52, 4232865), (60, 3668483), (65, 3386292), (70, 3144414), (78, 2821910), (84, 2620345), (91, 2418780), (98, 2246010), (105, 2096276), (130, 1693146), (140, 1572207), (147, 1497340), (156, 1410955), (169, 1302420), (182, 1209390), (195, 1128764), (196, 1123005), (210, 1048138), (245, 898404), (260, 846573), (273, 806260), (294, 748670), (338, 651210), (364, 604695), (390, 564382), (420, 524069), (443, 496860), (455, 483756), (490, 449202), (507, 434140), (546, 403130), (588, 374335), (637, 345540), (676, 325605), (735, 299468), (780, 282191), (845, 260484), (886, 248430), (910, 241878), (980, 224601), (1014, 217070), (1092, 201565), (1183, 186060), (1274, 172770), (1329, 165620), (1365, 161252), (1470, 149734), (1690, 130242), (1772, 124215), (1820, 120939), (1911, 115180), (2028, 108535), (2215, 99372), (2366, 93030), (2535, 86828), (2548, 86385), (2658, 82810), (2730, 80626), (2940, 74867), (3101, 70980), (3185, 69108), (3380, 65121), (3549, 62020), (3822, 57590), (4430, 49686), (4732, 46515), (5070, 43414), (5316, 41405), (5460, 40313), (5759, 38220), (5915, 37212), (6202, 35490), (6370, 34554), (6645, 33124), (7098, 31010), (7644, 28795), (8281, 26580), (8860, 24843), (9303, 23660), (9555, 23036), (10140, 21707), (11518, 19110), (11830, 18606), (12404, 17745), (12740, 17277), (13290, 16562), (14196, 15505)]