30983120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:988

約数の個数: 80

約数和(自身を含む): 83768448

約数和(自身を除く): 52785328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 907, 976, 1220, 1708, 1814, 2135, 2440, 3416, 3628, 4270, 4535, 4880, 6349, 6832, 7256, 8540, 9070, 12698, 14512, 17080, 18140, 25396, 31745, 34160, 36280, 50792, 55327, 63490, 72560, 101584, 110654, 126980, 221308, 253960, 276635, 387289, 442616, 507920, 553270, 774578, 885232, 1106540, 1549156, 1936445, 2213080, 3098312, 3872890, 4426160, 6196624, 7745780, 15491560, 30983120]

約数ペア:

[(1, 30983120), (2, 15491560), (4, 7745780), (5, 6196624), (7, 4426160), (8, 3872890), (10, 3098312), (14, 2213080), (16, 1936445), (20, 1549156), (28, 1106540), (35, 885232), (40, 774578), (56, 553270), (61, 507920), (70, 442616), (80, 387289), (112, 276635), (122, 253960), (140, 221308), (244, 126980), (280, 110654), (305, 101584), (427, 72560), (488, 63490), (560, 55327), (610, 50792), (854, 36280), (907, 34160), (976, 31745), (1220, 25396), (1708, 18140), (1814, 17080), (2135, 14512), (2440, 12698), (3416, 9070), (3628, 8540), (4270, 7256), (4535, 6832), (4880, 6349)]