81000270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:567

約数の個数: 128

約数和(自身を含む): 238049280

約数和(自身を除く): 157049010

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 47, 54, 65, 78, 90, 94, 117, 130, 135, 141, 195, 234, 235, 270, 282, 351, 390, 423, 470, 491, 585, 611, 702, 705, 846, 982, 1170, 1222, 1269, 1410, 1473, 1755, 1833, 2115, 2455, 2538, 2946, 3055, 3510, 3666, 4230, 4419, 4910, 5499, 6110, 6345, 6383, 7365, 8838, 9165, 10998, 12690, 12766, 13257, 14730, 16497, 18330, 19149, 22095, 23077, 26514, 27495, 31915, 32994, 38298, 44190, 46154, 54990, 57447, 63830, 66285, 69231, 82485, 95745, 114894, 115385, 132570, 138462, 164970, 172341, 191490, 207693, 230770, 287235, 300001, 344682, 346155, 415386, 574470, 600002, 623079, 692310, 861705, 900003, 1038465, 1246158, 1500005, 1723410, 1800006, 2076930, 2700009, 3000010, 3115395, 4500015, 5400018, 6230790, 8100027, 9000030, 13500045, 16200054, 27000090, 40500135, 81000270]

約数ペア:

[(1, 81000270), (2, 40500135), (3, 27000090), (5, 16200054), (6, 13500045), (9, 9000030), (10, 8100027), (13, 6230790), (15, 5400018), (18, 4500015), (26, 3115395), (27, 3000010), (30, 2700009), (39, 2076930), (45, 1800006), (47, 1723410), (54, 1500005), (65, 1246158), (78, 1038465), (90, 900003), (94, 861705), (117, 692310), (130, 623079), (135, 600002), (141, 574470), (195, 415386), (234, 346155), (235, 344682), (270, 300001), (282, 287235), (351, 230770), (390, 207693), (423, 191490), (470, 172341), (491, 164970), (585, 138462), (611, 132570), (702, 115385), (705, 114894), (846, 95745), (982, 82485), (1170, 69231), (1222, 66285), (1269, 63830), (1410, 57447), (1473, 54990), (1755, 46154), (1833, 44190), (2115, 38298), (2455, 32994), (2538, 31915), (2946, 27495), (3055, 26514), (3510, 23077), (3666, 22095), (4230, 19149), (4419, 18330), (4910, 16497), (5499, 14730), (6110, 13257), (6345, 12766), (6383, 12690), (7365, 10998), (8838, 9165)]