71807580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:277

約数の個数: 192

約数和(自身を含む): 246395520

約数和(自身を除く): 174587940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 53, 54, 60, 65, 78, 90, 106, 108, 117, 130, 135, 156, 159, 180, 193, 195, 212, 234, 260, 265, 270, 318, 351, 386, 390, 468, 477, 530, 540, 579, 585, 636, 689, 702, 772, 780, 795, 954, 965, 1060, 1158, 1170, 1378, 1404, 1431, 1590, 1737, 1755, 1908, 1930, 2067, 2316, 2340, 2385, 2509, 2756, 2862, 2895, 3180, 3445, 3474, 3510, 3860, 4134, 4770, 5018, 5211, 5724, 5790, 6201, 6890, 6948, 7020, 7155, 7527, 8268, 8685, 9540, 10036, 10229, 10335, 10422, 11580, 12402, 12545, 13780, 14310, 15054, 17370, 18603, 20458, 20670, 20844, 22581, 24804, 25090, 26055, 28620, 30108, 30687, 31005, 34740, 37206, 37635, 40916, 41340, 45162, 50180, 51145, 52110, 61374, 62010, 67743, 74412, 75270, 90324, 92061, 93015, 102290, 104220, 112905, 122748, 124020, 132977, 135486, 150540, 153435, 184122, 186030, 204580, 225810, 265954, 270972, 276183, 306870, 338715, 368244, 372060, 398931, 451620, 460305, 531908, 552366, 613740, 664885, 677430, 797862, 920610, 1104732, 1196793, 1329770, 1354860, 1380915, 1595724, 1841220, 1994655, 2393586, 2659540, 2761830, 3590379, 3989310, 4787172, 5523660, 5983965, 7180758, 7978620, 11967930, 14361516, 17951895, 23935860, 35903790, 71807580]

約数ペア:

[(1, 71807580), (2, 35903790), (3, 23935860), (4, 17951895), (5, 14361516), (6, 11967930), (9, 7978620), (10, 7180758), (12, 5983965), (13, 5523660), (15, 4787172), (18, 3989310), (20, 3590379), (26, 2761830), (27, 2659540), (30, 2393586), (36, 1994655), (39, 1841220), (45, 1595724), (52, 1380915), (53, 1354860), (54, 1329770), (60, 1196793), (65, 1104732), (78, 920610), (90, 797862), (106, 677430), (108, 664885), (117, 613740), (130, 552366), (135, 531908), (156, 460305), (159, 451620), (180, 398931), (193, 372060), (195, 368244), (212, 338715), (234, 306870), (260, 276183), (265, 270972), (270, 265954), (318, 225810), (351, 204580), (386, 186030), (390, 184122), (468, 153435), (477, 150540), (530, 135486), (540, 132977), (579, 124020), (585, 122748), (636, 112905), (689, 104220), (702, 102290), (772, 93015), (780, 92061), (795, 90324), (954, 75270), (965, 74412), (1060, 67743), (1158, 62010), (1170, 61374), (1378, 52110), (1404, 51145), (1431, 50180), (1590, 45162), (1737, 41340), (1755, 40916), (1908, 37635), (1930, 37206), (2067, 34740), (2316, 31005), (2340, 30687), (2385, 30108), (2509, 28620), (2756, 26055), (2862, 25090), (2895, 24804), (3180, 22581), (3445, 20844), (3474, 20670), (3510, 20458), (3860, 18603), (4134, 17370), (4770, 15054), (5018, 14310), (5211, 13780), (5724, 12545), (5790, 12402), (6201, 11580), (6890, 10422), (6948, 10335), (7020, 10229), (7155, 10036), (7527, 9540), (8268, 8685)]