87401790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{19819}}^1$

素因数の和:19846

約数の個数: 72

約数和(自身を含む): 264359160

約数和(自身を除く): 176957370

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 19819, 39638, 59457, 99095, 118914, 138733, 178371, 198190, 277466, 297285, 356742, 416199, 594570, 693665, 832398, 891855, 971131, 1248597, 1387330, 1783710, 1942262, 2080995, 2497194, 2913393, 4161990, 4855655, 5826786, 6242985, 8740179, 9711310, 12485970, 14566965, 17480358, 29133930, 43700895, 87401790]

約数ペア:

[(1, 87401790), (2, 43700895), (3, 29133930), (5, 17480358), (6, 14566965), (7, 12485970), (9, 9711310), (10, 8740179), (14, 6242985), (15, 5826786), (18, 4855655), (21, 4161990), (30, 2913393), (35, 2497194), (42, 2080995), (45, 1942262), (49, 1783710), (63, 1387330), (70, 1248597), (90, 971131), (98, 891855), (105, 832398), (126, 693665), (147, 594570), (210, 416199), (245, 356742), (294, 297285), (315, 277466), (441, 198190), (490, 178371), (630, 138733), (735, 118914), (882, 99095), (1470, 59457), (2205, 39638), (4410, 19819)]