80553540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3719}}^1$

素因数の和:3769

約数の個数: 72

約数和(自身を含む): 238109760

約数和(自身を除く): 157556220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 1083, 1140, 1444, 1805, 2166, 3610, 3719, 4332, 5415, 7220, 7438, 10830, 11157, 14876, 18595, 21660, 22314, 37190, 44628, 55785, 70661, 74380, 111570, 141322, 211983, 223140, 282644, 353305, 423966, 706610, 847932, 1059915, 1342559, 1413220, 2119830, 2685118, 4027677, 4239660, 5370236, 6712795, 8055354, 13425590, 16110708, 20138385, 26851180, 40276770, 80553540]

約数ペア:

[(1, 80553540), (2, 40276770), (3, 26851180), (4, 20138385), (5, 16110708), (6, 13425590), (10, 8055354), (12, 6712795), (15, 5370236), (19, 4239660), (20, 4027677), (30, 2685118), (38, 2119830), (57, 1413220), (60, 1342559), (76, 1059915), (95, 847932), (114, 706610), (190, 423966), (228, 353305), (285, 282644), (361, 223140), (380, 211983), (570, 141322), (722, 111570), (1083, 74380), (1140, 70661), (1444, 55785), (1805, 44628), (2166, 37190), (3610, 22314), (3719, 21660), (4332, 18595), (5415, 14876), (7220, 11157), (7438, 10830)]