254131920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{50423}}^1$

素因数の和:50449

約数の個数: 120

約数和(自身を含む): 975401856

約数和(自身を除く): 721269936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 50423, 100846, 151269, 201692, 252115, 302538, 352961, 403384, 453807, 504230, 605076, 705922, 756345, 806768, 907614, 1008460, 1058883, 1210152, 1411844, 1512690, 1764805, 1815228, 2016920, 2117766, 2269035, 2420304, 2823688, 3025380, 3176649, 3529610, 3630456, 4033840, 4235532, 4538070, 5294415, 5647376, 6050760, 6353298, 7059220, 7260912, 8471064, 9076140, 10588830, 12101520, 12706596, 14118440, 15883245, 16942128, 18152280, 21177660, 25413192, 28236880, 31766490, 36304560, 42355320, 50826384, 63532980, 84710640, 127065960, 254131920]

約数ペア:

[(1, 254131920), (2, 127065960), (3, 84710640), (4, 63532980), (5, 50826384), (6, 42355320), (7, 36304560), (8, 31766490), (9, 28236880), (10, 25413192), (12, 21177660), (14, 18152280), (15, 16942128), (16, 15883245), (18, 14118440), (20, 12706596), (21, 12101520), (24, 10588830), (28, 9076140), (30, 8471064), (35, 7260912), (36, 7059220), (40, 6353298), (42, 6050760), (45, 5647376), (48, 5294415), (56, 4538070), (60, 4235532), (63, 4033840), (70, 3630456), (72, 3529610), (80, 3176649), (84, 3025380), (90, 2823688), (105, 2420304), (112, 2269035), (120, 2117766), (126, 2016920), (140, 1815228), (144, 1764805), (168, 1512690), (180, 1411844), (210, 1210152), (240, 1058883), (252, 1008460), (280, 907614), (315, 806768), (336, 756345), (360, 705922), (420, 605076), (504, 504230), (560, 453807), (630, 403384), (720, 352961), (840, 302538), (1008, 252115), (1260, 201692), (1680, 151269), (2520, 100846), (5040, 50423)]