7940940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 26927712

約数和(自身を除く): 18986772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 49, 60, 70, 73, 74, 84, 98, 105, 111, 140, 146, 147, 148, 185, 196, 210, 219, 222, 245, 259, 292, 294, 365, 370, 420, 438, 444, 490, 511, 518, 555, 588, 730, 735, 740, 777, 876, 980, 1022, 1036, 1095, 1110, 1295, 1460, 1470, 1533, 1554, 1813, 2044, 2190, 2220, 2555, 2590, 2701, 2940, 3066, 3108, 3577, 3626, 3885, 4380, 5110, 5180, 5402, 5439, 6132, 7154, 7252, 7665, 7770, 8103, 9065, 10220, 10731, 10804, 10878, 13505, 14308, 15330, 15540, 16206, 17885, 18130, 18907, 21462, 21756, 27010, 27195, 30660, 32412, 35770, 36260, 37814, 40515, 42924, 53655, 54020, 54390, 56721, 71540, 75628, 81030, 94535, 107310, 108780, 113442, 132349, 162060, 189070, 214620, 226884, 264698, 283605, 378140, 397047, 529396, 567210, 661745, 794094, 1134420, 1323490, 1588188, 1985235, 2646980, 3970470, 7940940]

約数ペア:

[(1, 7940940), (2, 3970470), (3, 2646980), (4, 1985235), (5, 1588188), (6, 1323490), (7, 1134420), (10, 794094), (12, 661745), (14, 567210), (15, 529396), (20, 397047), (21, 378140), (28, 283605), (30, 264698), (35, 226884), (37, 214620), (42, 189070), (49, 162060), (60, 132349), (70, 113442), (73, 108780), (74, 107310), (84, 94535), (98, 81030), (105, 75628), (111, 71540), (140, 56721), (146, 54390), (147, 54020), (148, 53655), (185, 42924), (196, 40515), (210, 37814), (219, 36260), (222, 35770), (245, 32412), (259, 30660), (292, 27195), (294, 27010), (365, 21756), (370, 21462), (420, 18907), (438, 18130), (444, 17885), (490, 16206), (511, 15540), (518, 15330), (555, 14308), (588, 13505), (730, 10878), (735, 10804), (740, 10731), (777, 10220), (876, 9065), (980, 8103), (1022, 7770), (1036, 7665), (1095, 7252), (1110, 7154), (1295, 6132), (1460, 5439), (1470, 5402), (1533, 5180), (1554, 5110), (1813, 4380), (2044, 3885), (2190, 3626), (2220, 3577), (2555, 3108), (2590, 3066), (2701, 2940)]