1855890090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{563}}^1$

素因数の和:1029

約数の個数: 128

約数和(自身を含む): 5140972800

約数和(自身を除く): 3285082710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 135, 145, 174, 261, 270, 290, 421, 435, 522, 563, 783, 842, 870, 1126, 1263, 1305, 1566, 1689, 2105, 2526, 2610, 2815, 3378, 3789, 3915, 4210, 5067, 5630, 6315, 7578, 7830, 8445, 10134, 11367, 12209, 12630, 15201, 16327, 16890, 18945, 22734, 24418, 25335, 30402, 32654, 36627, 37890, 48981, 50670, 56835, 61045, 73254, 76005, 81635, 97962, 109881, 113670, 122090, 146943, 152010, 163270, 183135, 219762, 237023, 244905, 293886, 329643, 366270, 440829, 474046, 489810, 549405, 659286, 711069, 734715, 881658, 1098810, 1185115, 1422138, 1469430, 1648215, 2133207, 2204145, 2370230, 3296430, 3555345, 4266414, 4408290, 6399621, 6873667, 7110690, 10666035, 12799242, 13747334, 20621001, 21332070, 31998105, 34368335, 41242002, 61863003, 63996210, 68736670, 103105005, 123726006, 185589009, 206210010, 309315015, 371178018, 618630030, 927945045, 1855890090]

約数ペア:

[(1, 1855890090), (2, 927945045), (3, 618630030), (5, 371178018), (6, 309315015), (9, 206210010), (10, 185589009), (15, 123726006), (18, 103105005), (27, 68736670), (29, 63996210), (30, 61863003), (45, 41242002), (54, 34368335), (58, 31998105), (87, 21332070), (90, 20621001), (135, 13747334), (145, 12799242), (174, 10666035), (261, 7110690), (270, 6873667), (290, 6399621), (421, 4408290), (435, 4266414), (522, 3555345), (563, 3296430), (783, 2370230), (842, 2204145), (870, 2133207), (1126, 1648215), (1263, 1469430), (1305, 1422138), (1566, 1185115), (1689, 1098810), (2105, 881658), (2526, 734715), (2610, 711069), (2815, 659286), (3378, 549405), (3789, 489810), (3915, 474046), (4210, 440829), (5067, 366270), (5630, 329643), (6315, 293886), (7578, 244905), (7830, 237023), (8445, 219762), (10134, 183135), (11367, 163270), (12209, 152010), (12630, 146943), (15201, 122090), (16327, 113670), (16890, 109881), (18945, 97962), (22734, 81635), (24418, 76005), (25335, 73254), (30402, 61045), (32654, 56835), (36627, 50670), (37890, 48981)]