521569160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{80989}}^1$

素因数の和:81030

約数の個数: 64

約数和(自身を含む): 1399507200

約数和(自身を除く): 877938040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 80989, 161978, 323956, 404945, 566923, 647912, 809890, 1133846, 1619780, 1862747, 2267692, 2834615, 3239560, 3725494, 4535384, 5669230, 7450988, 9313735, 11338460, 13039229, 14901976, 18627470, 22676920, 26078458, 37254940, 52156916, 65196145, 74509880, 104313832, 130392290, 260784580, 521569160]

約数ペア:

[(1, 521569160), (2, 260784580), (4, 130392290), (5, 104313832), (7, 74509880), (8, 65196145), (10, 52156916), (14, 37254940), (20, 26078458), (23, 22676920), (28, 18627470), (35, 14901976), (40, 13039229), (46, 11338460), (56, 9313735), (70, 7450988), (92, 5669230), (115, 4535384), (140, 3725494), (161, 3239560), (184, 2834615), (230, 2267692), (280, 1862747), (322, 1619780), (460, 1133846), (644, 809890), (805, 647912), (920, 566923), (1288, 404945), (1610, 323956), (3220, 161978), (6440, 80989)]