254581920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1901}}^1$

素因数の和:1956

約数の個数: 192

約数和(自身を含む): 920263680

約数和(自身を除く): 665681760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 180, 186, 216, 240, 248, 270, 279, 288, 310, 360, 372, 432, 465, 480, 496, 540, 558, 620, 720, 744, 837, 864, 930, 992, 1080, 1116, 1240, 1395, 1440, 1488, 1674, 1860, 1901, 2160, 2232, 2480, 2790, 2976, 3348, 3720, 3802, 4185, 4320, 4464, 4960, 5580, 5703, 6696, 7440, 7604, 8370, 8928, 9505, 11160, 11406, 13392, 14880, 15208, 16740, 17109, 19010, 22320, 22812, 26784, 28515, 30416, 33480, 34218, 38020, 44640, 45624, 51327, 57030, 58931, 60832, 66960, 68436, 76040, 85545, 91248, 102654, 114060, 117862, 133920, 136872, 152080, 171090, 176793, 182496, 205308, 228120, 235724, 256635, 273744, 294655, 304160, 342180, 353586, 410616, 456240, 471448, 513270, 530379, 547488, 589310, 684360, 707172, 821232, 883965, 912480, 942896, 1026540, 1060758, 1178620, 1368720, 1414344, 1591137, 1642464, 1767930, 1885792, 2053080, 2121516, 2357240, 2651895, 2737440, 2828688, 3182274, 3535860, 4106160, 4243032, 4714480, 5303790, 5657376, 6364548, 7071720, 7955685, 8212320, 8486064, 9428960, 10607580, 12729096, 14143440, 15911370, 16972128, 21215160, 25458192, 28286880, 31822740, 42430320, 50916384, 63645480, 84860640, 127290960, 254581920]

約数ペア:

[(1, 254581920), (2, 127290960), (3, 84860640), (4, 63645480), (5, 50916384), (6, 42430320), (8, 31822740), (9, 28286880), (10, 25458192), (12, 21215160), (15, 16972128), (16, 15911370), (18, 14143440), (20, 12729096), (24, 10607580), (27, 9428960), (30, 8486064), (31, 8212320), (32, 7955685), (36, 7071720), (40, 6364548), (45, 5657376), (48, 5303790), (54, 4714480), (60, 4243032), (62, 4106160), (72, 3535860), (80, 3182274), (90, 2828688), (93, 2737440), (96, 2651895), (108, 2357240), (120, 2121516), (124, 2053080), (135, 1885792), (144, 1767930), (155, 1642464), (160, 1591137), (180, 1414344), (186, 1368720), (216, 1178620), (240, 1060758), (248, 1026540), (270, 942896), (279, 912480), (288, 883965), (310, 821232), (360, 707172), (372, 684360), (432, 589310), (465, 547488), (480, 530379), (496, 513270), (540, 471448), (558, 456240), (620, 410616), (720, 353586), (744, 342180), (837, 304160), (864, 294655), (930, 273744), (992, 256635), (1080, 235724), (1116, 228120), (1240, 205308), (1395, 182496), (1440, 176793), (1488, 171090), (1674, 152080), (1860, 136872), (1901, 133920), (2160, 117862), (2232, 114060), (2480, 102654), (2790, 91248), (2976, 85545), (3348, 76040), (3720, 68436), (3802, 66960), (4185, 60832), (4320, 58931), (4464, 57030), (4960, 51327), (5580, 45624), (5703, 44640), (6696, 38020), (7440, 34218), (7604, 33480), (8370, 30416), (8928, 28515), (9505, 26784), (11160, 22812), (11406, 22320), (13392, 19010), (14880, 17109), (15208, 16740)]