15895990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 33426432

約数和(自身を除く): 17530442

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 61, 103, 110, 115, 122, 206, 230, 253, 305, 506, 515, 610, 671, 1030, 1133, 1265, 1342, 1403, 2266, 2369, 2530, 2806, 3355, 4738, 5665, 6283, 6710, 7015, 11330, 11845, 12566, 14030, 15433, 23690, 26059, 30866, 31415, 52118, 62830, 69113, 77165, 130295, 138226, 144509, 154330, 260590, 289018, 345565, 691130, 722545, 1445090, 1589599, 3179198, 7947995, 15895990]

約数ペア:

[(1, 15895990), (2, 7947995), (5, 3179198), (10, 1589599), (11, 1445090), (22, 722545), (23, 691130), (46, 345565), (55, 289018), (61, 260590), (103, 154330), (110, 144509), (115, 138226), (122, 130295), (206, 77165), (230, 69113), (253, 62830), (305, 52118), (506, 31415), (515, 30866), (610, 26059), (671, 23690), (1030, 15433), (1133, 14030), (1265, 12566), (1342, 11845), (1403, 11330), (2266, 7015), (2369, 6710), (2530, 6283), (2806, 5665), (3355, 4738)]