161748180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{541}}^1$

素因数の和:718

約数の個数: 144

約数和(自身を含む): 539779968

約数和(自身を除く): 378031788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 151, 165, 180, 198, 220, 302, 330, 396, 453, 495, 541, 604, 660, 755, 906, 990, 1082, 1359, 1510, 1623, 1661, 1812, 1980, 2164, 2265, 2705, 2718, 3020, 3246, 3322, 4530, 4869, 4983, 5410, 5436, 5951, 6492, 6644, 6795, 8115, 8305, 9060, 9738, 9966, 10820, 11902, 13590, 14949, 16230, 16610, 17853, 19476, 19932, 23804, 24345, 24915, 27180, 29755, 29898, 32460, 33220, 35706, 48690, 49830, 53559, 59510, 59796, 71412, 74745, 81691, 89265, 97380, 99660, 107118, 119020, 149490, 163382, 178530, 214236, 245073, 267795, 298980, 326764, 357060, 408455, 490146, 535590, 735219, 816910, 898601, 980292, 1071180, 1225365, 1470438, 1633820, 1797202, 2450730, 2695803, 2940876, 3594404, 3676095, 4493005, 4901460, 5391606, 7352190, 8087409, 8986010, 10783212, 13479015, 14704380, 16174818, 17972020, 26958030, 32349636, 40437045, 53916060, 80874090, 161748180]

約数ペア:

[(1, 161748180), (2, 80874090), (3, 53916060), (4, 40437045), (5, 32349636), (6, 26958030), (9, 17972020), (10, 16174818), (11, 14704380), (12, 13479015), (15, 10783212), (18, 8986010), (20, 8087409), (22, 7352190), (30, 5391606), (33, 4901460), (36, 4493005), (44, 3676095), (45, 3594404), (55, 2940876), (60, 2695803), (66, 2450730), (90, 1797202), (99, 1633820), (110, 1470438), (132, 1225365), (151, 1071180), (165, 980292), (180, 898601), (198, 816910), (220, 735219), (302, 535590), (330, 490146), (396, 408455), (453, 357060), (495, 326764), (541, 298980), (604, 267795), (660, 245073), (755, 214236), (906, 178530), (990, 163382), (1082, 149490), (1359, 119020), (1510, 107118), (1623, 99660), (1661, 97380), (1812, 89265), (1980, 81691), (2164, 74745), (2265, 71412), (2705, 59796), (2718, 59510), (3020, 53559), (3246, 49830), (3322, 48690), (4530, 35706), (4869, 33220), (4983, 32460), (5410, 29898), (5436, 29755), (5951, 27180), (6492, 24915), (6644, 24345), (6795, 23804), (8115, 19932), (8305, 19476), (9060, 17853), (9738, 16610), (9966, 16230), (10820, 14949), (11902, 13590)]