15381640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 37483200

約数和(自身を除く): 22101560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 547, 703, 740, 760, 1094, 1406, 1480, 2188, 2735, 2812, 3515, 4376, 5470, 5624, 7030, 10393, 10940, 14060, 20239, 20786, 21880, 28120, 40478, 41572, 51965, 80956, 83144, 101195, 103930, 161912, 202390, 207860, 384541, 404780, 415720, 769082, 809560, 1538164, 1922705, 3076328, 3845410, 7690820, 15381640]

約数ペア:

[(1, 15381640), (2, 7690820), (4, 3845410), (5, 3076328), (8, 1922705), (10, 1538164), (19, 809560), (20, 769082), (37, 415720), (38, 404780), (40, 384541), (74, 207860), (76, 202390), (95, 161912), (148, 103930), (152, 101195), (185, 83144), (190, 80956), (296, 51965), (370, 41572), (380, 40478), (547, 28120), (703, 21880), (740, 20786), (760, 20239), (1094, 14060), (1406, 10940), (1480, 10393), (2188, 7030), (2735, 5624), (2812, 5470), (3515, 4376)]