15705918345

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{81439}}^1$

素因数の和:81526

約数の個数: 64

約数和(自身を含む): 28896215040

約数和(自身を除く): 13190296695

約数列:

[1, 3, 5, 13, 15, 23, 39, 43, 65, 69, 115, 129, 195, 215, 299, 345, 559, 645, 897, 989, 1495, 1677, 2795, 2967, 4485, 4945, 8385, 12857, 14835, 38571, 64285, 81439, 192855, 244317, 407195, 1058707, 1221585, 1873097, 3176121, 3501877, 5293535, 5619291, 9365485, 10505631, 15880605, 17509385, 24350261, 28096455, 45524401, 52528155, 73050783, 80543171, 121751305, 136573203, 227622005, 241629513, 365253915, 402715855, 682866015, 1047061223, 1208147565, 3141183669, 5235306115, 15705918345]

約数ペア:

[(1, 15705918345), (3, 5235306115), (5, 3141183669), (13, 1208147565), (15, 1047061223), (23, 682866015), (39, 402715855), (43, 365253915), (65, 241629513), (69, 227622005), (115, 136573203), (129, 121751305), (195, 80543171), (215, 73050783), (299, 52528155), (345, 45524401), (559, 28096455), (645, 24350261), (897, 17509385), (989, 15880605), (1495, 10505631), (1677, 9365485), (2795, 5619291), (2967, 5293535), (4485, 3501877), (4945, 3176121), (8385, 1873097), (12857, 1221585), (14835, 1058707), (38571, 407195), (64285, 244317), (81439, 192855)]