121620780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1013}}^1$

素因数の和:1080

約数の個数: 144

約数和(自身を含む): 398623680

約数和(自身を除く): 277002900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 29, 30, 36, 45, 46, 58, 60, 69, 87, 90, 92, 115, 116, 138, 145, 174, 180, 207, 230, 261, 276, 290, 345, 348, 414, 435, 460, 522, 580, 667, 690, 828, 870, 1013, 1035, 1044, 1305, 1334, 1380, 1740, 2001, 2026, 2070, 2610, 2668, 3039, 3335, 4002, 4052, 4140, 5065, 5220, 6003, 6078, 6670, 8004, 9117, 10005, 10130, 12006, 12156, 13340, 15195, 18234, 20010, 20260, 23299, 24012, 29377, 30015, 30390, 36468, 40020, 45585, 46598, 58754, 60030, 60780, 69897, 88131, 91170, 93196, 116495, 117508, 120060, 139794, 146885, 176262, 182340, 209691, 232990, 264393, 279588, 293770, 349485, 352524, 419382, 440655, 465980, 528786, 587540, 675671, 698970, 838764, 881310, 1048455, 1057572, 1321965, 1351342, 1397940, 1762620, 2027013, 2096910, 2643930, 2702684, 3378355, 4054026, 4193820, 5287860, 6081039, 6756710, 8108052, 10135065, 12162078, 13513420, 20270130, 24324156, 30405195, 40540260, 60810390, 121620780]

約数ペア:

[(1, 121620780), (2, 60810390), (3, 40540260), (4, 30405195), (5, 24324156), (6, 20270130), (9, 13513420), (10, 12162078), (12, 10135065), (15, 8108052), (18, 6756710), (20, 6081039), (23, 5287860), (29, 4193820), (30, 4054026), (36, 3378355), (45, 2702684), (46, 2643930), (58, 2096910), (60, 2027013), (69, 1762620), (87, 1397940), (90, 1351342), (92, 1321965), (115, 1057572), (116, 1048455), (138, 881310), (145, 838764), (174, 698970), (180, 675671), (207, 587540), (230, 528786), (261, 465980), (276, 440655), (290, 419382), (345, 352524), (348, 349485), (414, 293770), (435, 279588), (460, 264393), (522, 232990), (580, 209691), (667, 182340), (690, 176262), (828, 146885), (870, 139794), (1013, 120060), (1035, 117508), (1044, 116495), (1305, 93196), (1334, 91170), (1380, 88131), (1740, 69897), (2001, 60780), (2026, 60030), (2070, 58754), (2610, 46598), (2668, 45585), (3039, 40020), (3335, 36468), (4002, 30390), (4052, 30015), (4140, 29377), (5065, 24012), (5220, 23299), (6003, 20260), (6078, 20010), (6670, 18234), (8004, 15195), (9117, 13340), (10005, 12156), (10130, 12006)]