255355680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^2$

素因数の和:311

約数の個数: 144

約数和(自身を含む): 836704512

約数和(自身を除く): 581348832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 131, 155, 160, 186, 240, 248, 262, 310, 372, 393, 465, 480, 496, 524, 620, 655, 744, 786, 930, 992, 1048, 1240, 1310, 1488, 1572, 1860, 1965, 2096, 2480, 2620, 2976, 3144, 3720, 3930, 4061, 4192, 4960, 5240, 6288, 7440, 7860, 8122, 10480, 12183, 12576, 14880, 15720, 16244, 17161, 20305, 20960, 24366, 31440, 32488, 34322, 40610, 48732, 51483, 60915, 62880, 64976, 68644, 81220, 85805, 97464, 102966, 121830, 129952, 137288, 162440, 171610, 194928, 205932, 243660, 257415, 274576, 324880, 343220, 389856, 411864, 487320, 514830, 531991, 549152, 649760, 686440, 823728, 974640, 1029660, 1063982, 1372880, 1595973, 1647456, 1949280, 2059320, 2127964, 2659955, 2745760, 3191946, 4118640, 4255928, 5319910, 6383892, 7979865, 8237280, 8511856, 10639820, 12767784, 15959730, 17023712, 21279640, 25535568, 31919460, 42559280, 51071136, 63838920, 85118560, 127677840, 255355680]

約数ペア:

[(1, 255355680), (2, 127677840), (3, 85118560), (4, 63838920), (5, 51071136), (6, 42559280), (8, 31919460), (10, 25535568), (12, 21279640), (15, 17023712), (16, 15959730), (20, 12767784), (24, 10639820), (30, 8511856), (31, 8237280), (32, 7979865), (40, 6383892), (48, 5319910), (60, 4255928), (62, 4118640), (80, 3191946), (93, 2745760), (96, 2659955), (120, 2127964), (124, 2059320), (131, 1949280), (155, 1647456), (160, 1595973), (186, 1372880), (240, 1063982), (248, 1029660), (262, 974640), (310, 823728), (372, 686440), (393, 649760), (465, 549152), (480, 531991), (496, 514830), (524, 487320), (620, 411864), (655, 389856), (744, 343220), (786, 324880), (930, 274576), (992, 257415), (1048, 243660), (1240, 205932), (1310, 194928), (1488, 171610), (1572, 162440), (1860, 137288), (1965, 129952), (2096, 121830), (2480, 102966), (2620, 97464), (2976, 85805), (3144, 81220), (3720, 68644), (3930, 64976), (4061, 62880), (4192, 60915), (4960, 51483), (5240, 48732), (6288, 40610), (7440, 34322), (7860, 32488), (8122, 31440), (10480, 24366), (12183, 20960), (12576, 20305), (14880, 17161), (15720, 16244)]