502740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{19}}^1$

素因数の和:51

約数の個数: 144

約数和(自身を含む): 1915200

約数和(自身を除く): 1412460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 49, 54, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 108, 114, 126, 133, 135, 140, 147, 171, 180, 189, 190, 196, 210, 228, 245, 252, 266, 270, 285, 294, 315, 342, 378, 380, 399, 420, 441, 490, 513, 532, 540, 570, 588, 630, 665, 684, 735, 756, 798, 855, 882, 931, 945, 980, 1026, 1140, 1197, 1260, 1323, 1330, 1470, 1596, 1710, 1764, 1862, 1890, 1995, 2052, 2205, 2394, 2565, 2646, 2660, 2793, 2940, 3420, 3591, 3724, 3780, 3990, 4410, 4655, 4788, 5130, 5292, 5586, 5985, 6615, 7182, 7980, 8379, 8820, 9310, 10260, 11172, 11970, 13230, 13965, 14364, 16758, 17955, 18620, 23940, 25137, 26460, 27930, 33516, 35910, 41895, 50274, 55860, 71820, 83790, 100548, 125685, 167580, 251370, 502740]

約数ペア:

[(1, 502740), (2, 251370), (3, 167580), (4, 125685), (5, 100548), (6, 83790), (7, 71820), (9, 55860), (10, 50274), (12, 41895), (14, 35910), (15, 33516), (18, 27930), (19, 26460), (20, 25137), (21, 23940), (27, 18620), (28, 17955), (30, 16758), (35, 14364), (36, 13965), (38, 13230), (42, 11970), (45, 11172), (49, 10260), (54, 9310), (57, 8820), (60, 8379), (63, 7980), (70, 7182), (76, 6615), (84, 5985), (90, 5586), (95, 5292), (98, 5130), (105, 4788), (108, 4655), (114, 4410), (126, 3990), (133, 3780), (135, 3724), (140, 3591), (147, 3420), (171, 2940), (180, 2793), (189, 2660), (190, 2646), (196, 2565), (210, 2394), (228, 2205), (245, 2052), (252, 1995), (266, 1890), (270, 1862), (285, 1764), (294, 1710), (315, 1596), (342, 1470), (378, 1330), (380, 1323), (399, 1260), (420, 1197), (441, 1140), (490, 1026), (513, 980), (532, 945), (540, 931), (570, 882), (588, 855), (630, 798), (665, 756), (684, 735)]