128585970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20123}}^1$

素因数の和:20207

約数の個数: 48

約数和(自身を含む): 339049152

約数和(自身を除く): 210463182

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 20123, 40246, 60369, 100615, 120738, 181107, 201230, 301845, 362214, 603690, 905535, 1428733, 1811070, 2857466, 4286199, 7143665, 8572398, 12858597, 14287330, 21430995, 25717194, 42861990, 64292985, 128585970]

約数ペア:

[(1, 128585970), (2, 64292985), (3, 42861990), (5, 25717194), (6, 21430995), (9, 14287330), (10, 12858597), (15, 8572398), (18, 7143665), (30, 4286199), (45, 2857466), (71, 1811070), (90, 1428733), (142, 905535), (213, 603690), (355, 362214), (426, 301845), (639, 201230), (710, 181107), (1065, 120738), (1278, 100615), (2130, 60369), (3195, 40246), (6390, 20123)]