9787960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2689}}^1$

素因数の和:2720

約数の個数: 64

約数和(自身を含む): 27115200

約数和(自身を除く): 17327240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 2689, 3640, 5378, 10756, 13445, 18823, 21512, 26890, 34957, 37646, 53780, 69914, 75292, 94115, 107560, 139828, 150584, 174785, 188230, 244699, 279656, 349570, 376460, 489398, 699140, 752920, 978796, 1223495, 1398280, 1957592, 2446990, 4893980, 9787960]

約数ペア:

[(1, 9787960), (2, 4893980), (4, 2446990), (5, 1957592), (7, 1398280), (8, 1223495), (10, 978796), (13, 752920), (14, 699140), (20, 489398), (26, 376460), (28, 349570), (35, 279656), (40, 244699), (52, 188230), (56, 174785), (65, 150584), (70, 139828), (91, 107560), (104, 94115), (130, 75292), (140, 69914), (182, 53780), (260, 37646), (280, 34957), (364, 26890), (455, 21512), (520, 18823), (728, 13445), (910, 10756), (1820, 5378), (2689, 3640)]