81117540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{541}}^1$

素因数の和:587

約数の個数: 216

約数和(自身を含む): 303626232

約数和(自身を除く): 222508692

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 49, 51, 60, 63, 68, 70, 84, 85, 90, 98, 102, 105, 119, 126, 140, 147, 153, 170, 180, 196, 204, 210, 238, 245, 252, 255, 294, 306, 315, 340, 357, 420, 441, 476, 490, 510, 541, 588, 595, 612, 630, 714, 735, 765, 833, 882, 980, 1020, 1071, 1082, 1190, 1260, 1428, 1470, 1530, 1623, 1666, 1764, 1785, 2142, 2164, 2205, 2380, 2499, 2705, 2940, 3060, 3246, 3332, 3570, 3787, 4165, 4284, 4410, 4869, 4998, 5355, 5410, 6492, 7140, 7497, 7574, 8115, 8330, 8820, 9197, 9738, 9996, 10710, 10820, 11361, 12495, 14994, 15148, 16230, 16660, 18394, 18935, 19476, 21420, 22722, 24345, 24990, 26509, 27591, 29988, 32460, 34083, 36788, 37485, 37870, 45444, 45985, 48690, 49980, 53018, 55182, 56805, 64379, 68166, 74970, 75740, 79527, 82773, 91970, 97380, 106036, 110364, 113610, 128758, 132545, 136332, 137955, 149940, 159054, 165546, 170415, 183940, 193137, 227220, 238581, 257516, 265090, 275910, 318108, 321895, 331092, 340830, 386274, 397635, 413865, 450653, 477162, 530180, 551820, 579411, 643790, 681660, 772548, 795270, 827730, 901306, 954324, 965685, 1158822, 1192905, 1287580, 1351959, 1590540, 1655460, 1802612, 1931370, 2253265, 2317644, 2385810, 2703918, 2897055, 3862740, 4055877, 4506530, 4771620, 5407836, 5794110, 6759795, 8111754, 9013060, 11588220, 13519590, 16223508, 20279385, 27039180, 40558770, 81117540]

約数ペア:

[(1, 81117540), (2, 40558770), (3, 27039180), (4, 20279385), (5, 16223508), (6, 13519590), (7, 11588220), (9, 9013060), (10, 8111754), (12, 6759795), (14, 5794110), (15, 5407836), (17, 4771620), (18, 4506530), (20, 4055877), (21, 3862740), (28, 2897055), (30, 2703918), (34, 2385810), (35, 2317644), (36, 2253265), (42, 1931370), (45, 1802612), (49, 1655460), (51, 1590540), (60, 1351959), (63, 1287580), (68, 1192905), (70, 1158822), (84, 965685), (85, 954324), (90, 901306), (98, 827730), (102, 795270), (105, 772548), (119, 681660), (126, 643790), (140, 579411), (147, 551820), (153, 530180), (170, 477162), (180, 450653), (196, 413865), (204, 397635), (210, 386274), (238, 340830), (245, 331092), (252, 321895), (255, 318108), (294, 275910), (306, 265090), (315, 257516), (340, 238581), (357, 227220), (420, 193137), (441, 183940), (476, 170415), (490, 165546), (510, 159054), (541, 149940), (588, 137955), (595, 136332), (612, 132545), (630, 128758), (714, 113610), (735, 110364), (765, 106036), (833, 97380), (882, 91970), (980, 82773), (1020, 79527), (1071, 75740), (1082, 74970), (1190, 68166), (1260, 64379), (1428, 56805), (1470, 55182), (1530, 53018), (1623, 49980), (1666, 48690), (1764, 45985), (1785, 45444), (2142, 37870), (2164, 37485), (2205, 36788), (2380, 34083), (2499, 32460), (2705, 29988), (2940, 27591), (3060, 26509), (3246, 24990), (3332, 24345), (3570, 22722), (3787, 21420), (4165, 19476), (4284, 18935), (4410, 18394), (4869, 16660), (4998, 16230), (5355, 15148), (5410, 14994), (6492, 12495), (7140, 11361), (7497, 10820), (7574, 10710), (8115, 9996), (8330, 9738), (8820, 9197)]