2487240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{47}}^1$

素因数の和:81

約数の個数: 192

約数和(自身を含む): 9849600

約数和(自身を除く): 7362360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 47, 49, 54, 56, 60, 63, 70, 72, 84, 90, 94, 98, 105, 108, 120, 126, 135, 140, 141, 147, 168, 180, 188, 189, 196, 210, 216, 235, 245, 252, 270, 280, 282, 294, 315, 329, 360, 376, 378, 392, 420, 423, 441, 470, 490, 504, 540, 564, 588, 630, 658, 705, 735, 756, 840, 846, 882, 940, 945, 980, 987, 1080, 1128, 1176, 1260, 1269, 1316, 1323, 1410, 1470, 1512, 1645, 1692, 1764, 1880, 1890, 1960, 1974, 2115, 2205, 2303, 2520, 2538, 2632, 2646, 2820, 2940, 2961, 3290, 3384, 3528, 3780, 3948, 4230, 4410, 4606, 4935, 5076, 5292, 5640, 5880, 5922, 6345, 6580, 6615, 6909, 7560, 7896, 8460, 8820, 8883, 9212, 9870, 10152, 10584, 11515, 11844, 12690, 13160, 13230, 13818, 14805, 16920, 17640, 17766, 18424, 19740, 20727, 23030, 23688, 25380, 26460, 27636, 29610, 34545, 35532, 39480, 41454, 44415, 46060, 50760, 52920, 55272, 59220, 62181, 69090, 71064, 82908, 88830, 92120, 103635, 118440, 124362, 138180, 165816, 177660, 207270, 248724, 276360, 310905, 355320, 414540, 497448, 621810, 829080, 1243620, 2487240]

約数ペア:

[(1, 2487240), (2, 1243620), (3, 829080), (4, 621810), (5, 497448), (6, 414540), (7, 355320), (8, 310905), (9, 276360), (10, 248724), (12, 207270), (14, 177660), (15, 165816), (18, 138180), (20, 124362), (21, 118440), (24, 103635), (27, 92120), (28, 88830), (30, 82908), (35, 71064), (36, 69090), (40, 62181), (42, 59220), (45, 55272), (47, 52920), (49, 50760), (54, 46060), (56, 44415), (60, 41454), (63, 39480), (70, 35532), (72, 34545), (84, 29610), (90, 27636), (94, 26460), (98, 25380), (105, 23688), (108, 23030), (120, 20727), (126, 19740), (135, 18424), (140, 17766), (141, 17640), (147, 16920), (168, 14805), (180, 13818), (188, 13230), (189, 13160), (196, 12690), (210, 11844), (216, 11515), (235, 10584), (245, 10152), (252, 9870), (270, 9212), (280, 8883), (282, 8820), (294, 8460), (315, 7896), (329, 7560), (360, 6909), (376, 6615), (378, 6580), (392, 6345), (420, 5922), (423, 5880), (441, 5640), (470, 5292), (490, 5076), (504, 4935), (540, 4606), (564, 4410), (588, 4230), (630, 3948), (658, 3780), (705, 3528), (735, 3384), (756, 3290), (840, 2961), (846, 2940), (882, 2820), (940, 2646), (945, 2632), (980, 2538), (987, 2520), (1080, 2303), (1128, 2205), (1176, 2115), (1260, 1974), (1269, 1960), (1316, 1890), (1323, 1880), (1410, 1764), (1470, 1692), (1512, 1645)]