81486270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 236234880

約数和(自身を除く): 154748610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 41, 45, 51, 54, 82, 85, 90, 102, 123, 135, 153, 170, 205, 246, 255, 270, 306, 369, 410, 433, 459, 510, 615, 697, 738, 765, 866, 918, 1107, 1230, 1299, 1394, 1530, 1845, 2091, 2165, 2214, 2295, 2598, 3485, 3690, 3897, 4182, 4330, 4590, 5535, 6273, 6495, 6970, 7361, 7794, 10455, 11070, 11691, 12546, 12990, 14722, 17753, 18819, 19485, 20910, 22083, 23382, 31365, 35506, 36805, 37638, 38970, 44166, 53259, 58455, 62730, 66249, 73610, 88765, 94095, 106518, 110415, 116910, 132498, 159777, 177530, 188190, 198747, 220830, 266295, 301801, 319554, 331245, 397494, 479331, 532590, 603602, 662490, 798885, 905403, 958662, 993735, 1509005, 1597770, 1810806, 1987470, 2396655, 2716209, 3018010, 4527015, 4793310, 5432418, 8148627, 9054030, 13581045, 16297254, 27162090, 40743135, 81486270]

約数ペア:

[(1, 81486270), (2, 40743135), (3, 27162090), (5, 16297254), (6, 13581045), (9, 9054030), (10, 8148627), (15, 5432418), (17, 4793310), (18, 4527015), (27, 3018010), (30, 2716209), (34, 2396655), (41, 1987470), (45, 1810806), (51, 1597770), (54, 1509005), (82, 993735), (85, 958662), (90, 905403), (102, 798885), (123, 662490), (135, 603602), (153, 532590), (170, 479331), (205, 397494), (246, 331245), (255, 319554), (270, 301801), (306, 266295), (369, 220830), (410, 198747), (433, 188190), (459, 177530), (510, 159777), (615, 132498), (697, 116910), (738, 110415), (765, 106518), (866, 94095), (918, 88765), (1107, 73610), (1230, 66249), (1299, 62730), (1394, 58455), (1530, 53259), (1845, 44166), (2091, 38970), (2165, 37638), (2214, 36805), (2295, 35506), (2598, 31365), (3485, 23382), (3690, 22083), (3897, 20910), (4182, 19485), (4330, 18819), (4590, 17753), (5535, 14722), (6273, 12990), (6495, 12546), (6970, 11691), (7361, 11070), (7794, 10455)]