981720540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{4049}}^1$

素因数の和:4516

約数の個数: 96

約数和(自身を含む): 3061800000

約数和(自身を除く): 2080079460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 449, 540, 898, 1347, 1796, 2245, 2694, 4041, 4049, 4490, 5388, 6735, 8082, 8098, 8980, 12123, 12147, 13470, 16164, 16196, 20205, 20245, 24246, 24294, 26940, 36441, 40410, 40490, 48492, 48588, 60615, 60735, 72882, 80820, 80980, 109323, 121230, 121470, 145764, 182205, 218646, 242460, 242940, 364410, 437292, 546615, 728820, 1093230, 1818001, 2186460, 3636002, 5454003, 7272004, 9090005, 10908006, 16362009, 18180010, 21816012, 27270015, 32724018, 36360020, 49086027, 54540030, 65448036, 81810045, 98172054, 109080060, 163620090, 196344108, 245430135, 327240180, 490860270, 981720540]

約数ペア:

[(1, 981720540), (2, 490860270), (3, 327240180), (4, 245430135), (5, 196344108), (6, 163620090), (9, 109080060), (10, 98172054), (12, 81810045), (15, 65448036), (18, 54540030), (20, 49086027), (27, 36360020), (30, 32724018), (36, 27270015), (45, 21816012), (54, 18180010), (60, 16362009), (90, 10908006), (108, 9090005), (135, 7272004), (180, 5454003), (270, 3636002), (449, 2186460), (540, 1818001), (898, 1093230), (1347, 728820), (1796, 546615), (2245, 437292), (2694, 364410), (4041, 242940), (4049, 242460), (4490, 218646), (5388, 182205), (6735, 145764), (8082, 121470), (8098, 121230), (8980, 109323), (12123, 80980), (12147, 80820), (13470, 72882), (16164, 60735), (16196, 60615), (20205, 48588), (20245, 48492), (24246, 40490), (24294, 40410), (26940, 36441)]