1555697080

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{149}}^1\times {\mathrm{761}}^1$

素因数の和:942

約数の個数: 128

約数和(自身を含む): 4114800000

約数和(自身を除く): 2559102920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 149, 196, 245, 280, 298, 343, 392, 490, 596, 686, 745, 761, 980, 1043, 1192, 1372, 1490, 1522, 1715, 1960, 2086, 2744, 2980, 3044, 3430, 3805, 4172, 5215, 5327, 5960, 6088, 6860, 7301, 7610, 8344, 10430, 10654, 13720, 14602, 15220, 20860, 21308, 26635, 29204, 30440, 36505, 37289, 41720, 42616, 51107, 53270, 58408, 73010, 74578, 102214, 106540, 113389, 146020, 149156, 186445, 204428, 213080, 226778, 255535, 261023, 292040, 298312, 372890, 408856, 453556, 511070, 522046, 566945, 745780, 793723, 907112, 1022140, 1044092, 1133890, 1305115, 1491560, 1587446, 2044280, 2088184, 2267780, 2610230, 3174892, 3968615, 4535560, 5220460, 5556061, 6349784, 7937230, 10440920, 11112122, 15874460, 22224244, 27780305, 31748920, 38892427, 44448488, 55560610, 77784854, 111121220, 155569708, 194462135, 222242440, 311139416, 388924270, 777848540, 1555697080]

約数ペア:

[(1, 1555697080), (2, 777848540), (4, 388924270), (5, 311139416), (7, 222242440), (8, 194462135), (10, 155569708), (14, 111121220), (20, 77784854), (28, 55560610), (35, 44448488), (40, 38892427), (49, 31748920), (56, 27780305), (70, 22224244), (98, 15874460), (140, 11112122), (149, 10440920), (196, 7937230), (245, 6349784), (280, 5556061), (298, 5220460), (343, 4535560), (392, 3968615), (490, 3174892), (596, 2610230), (686, 2267780), (745, 2088184), (761, 2044280), (980, 1587446), (1043, 1491560), (1192, 1305115), (1372, 1133890), (1490, 1044092), (1522, 1022140), (1715, 907112), (1960, 793723), (2086, 745780), (2744, 566945), (2980, 522046), (3044, 511070), (3430, 453556), (3805, 408856), (4172, 372890), (5215, 298312), (5327, 292040), (5960, 261023), (6088, 255535), (6860, 226778), (7301, 213080), (7610, 204428), (8344, 186445), (10430, 149156), (10654, 146020), (13720, 113389), (14602, 106540), (15220, 102214), (20860, 74578), (21308, 73010), (26635, 58408), (29204, 53270), (30440, 51107), (36505, 42616), (37289, 41720)]