70729020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20681}}^1$

素因数の和:20715

約数の個数: 72

約数和(自身を含む): 225847440

約数和(自身を除く): 155118420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 20681, 41362, 62043, 82724, 103405, 124086, 186129, 206810, 248172, 310215, 372258, 392939, 413620, 620430, 744516, 785878, 930645, 1178817, 1240860, 1571756, 1861290, 1964695, 2357634, 3536451, 3722580, 3929390, 4715268, 5894085, 7072902, 7858780, 11788170, 14145804, 17682255, 23576340, 35364510, 70729020]

約数ペア:

[(1, 70729020), (2, 35364510), (3, 23576340), (4, 17682255), (5, 14145804), (6, 11788170), (9, 7858780), (10, 7072902), (12, 5894085), (15, 4715268), (18, 3929390), (19, 3722580), (20, 3536451), (30, 2357634), (36, 1964695), (38, 1861290), (45, 1571756), (57, 1240860), (60, 1178817), (76, 930645), (90, 785878), (95, 744516), (114, 620430), (171, 413620), (180, 392939), (190, 372258), (228, 310215), (285, 248172), (342, 206810), (380, 186129), (570, 124086), (684, 103405), (855, 82724), (1140, 62043), (1710, 41362), (3420, 20681)]