81937800

素因数分解:

$2^3\times 3^2\times 5^2\times 7^2\times {\mathrm{929}}^1$

素因数の和:965

約数の個数: 216

約数和(自身を含む): 320445450

約数和(自身を除く): 238507650

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 49, 50, 56, 60, 63, 70, 72, 75, 84, 90, 98, 100, 105, 120, 126, 140, 147, 150, 168, 175, 180, 196, 200, 210, 225, 245, 252, 280, 294, 300, 315, 350, 360, 392, 420, 441, 450, 490, 504, 525, 588, 600, 630, 700, 735, 840, 882, 900, 929, 980, 1050, 1176, 1225, 1260, 1400, 1470, 1575, 1764, 1800, 1858, 1960, 2100, 2205, 2450, 2520, 2787, 2940, 3150, 3528, 3675, 3716, 4200, 4410, 4645, 4900, 5574, 5880, 6300, 6503, 7350, 7432, 8361, 8820, 9290, 9800, 11025, 11148, 12600, 13006, 13935, 14700, 16722, 17640, 18580, 19509, 22050, 22296, 23225, 26012, 27870, 29400, 32515, 33444, 37160, 39018, 41805, 44100, 45521, 46450, 52024, 55740, 58527, 65030, 66888, 69675, 78036, 83610, 88200, 91042, 92900, 97545, 111480, 117054, 130060, 136563, 139350, 156072, 162575, 167220, 182084, 185800, 195090, 209025, 227605, 234108, 260120, 273126, 278700, 292635, 325150, 334440, 364168, 390180, 409689, 418050, 455210, 468216, 487725, 546252, 557400, 585270, 650300, 682815, 780360, 819378, 836100, 910420, 975450, 1092504, 1138025, 1170540, 1300600, 1365630, 1463175, 1638756, 1672200, 1820840, 1950900, 2048445, 2276050, 2341080, 2731260, 2926350, 3277512, 3414075, 3901800, 4096890, 4552100, 5462520, 5852700, 6828150, 8193780, 9104200, 10242225, 11705400, 13656300, 16387560, 20484450, 27312600, 40968900, 81937800]

約数ペア:

[(1, 81937800), (2, 40968900), (3, 27312600), (4, 20484450), (5, 16387560), (6, 13656300), (7, 11705400), (8, 10242225), (9, 9104200), (10, 8193780), (12, 6828150), (14, 5852700), (15, 5462520), (18, 4552100), (20, 4096890), (21, 3901800), (24, 3414075), (25, 3277512), (28, 2926350), (30, 2731260), (35, 2341080), (36, 2276050), (40, 2048445), (42, 1950900), (45, 1820840), (49, 1672200), (50, 1638756), (56, 1463175), (60, 1365630), (63, 1300600), (70, 1170540), (72, 1138025), (75, 1092504), (84, 975450), (90, 910420), (98, 836100), (100, 819378), (105, 780360), (120, 682815), (126, 650300), (140, 585270), (147, 557400), (150, 546252), (168, 487725), (175, 468216), (180, 455210), (196, 418050), (200, 409689), (210, 390180), (225, 364168), (245, 334440), (252, 325150), (280, 292635), (294, 278700), (300, 273126), (315, 260120), (350, 234108), (360, 227605), (392, 209025), (420, 195090), (441, 185800), (450, 182084), (490, 167220), (504, 162575), (525, 156072), (588, 139350), (600, 136563), (630, 130060), (700, 117054), (735, 111480), (840, 97545), (882, 92900), (900, 91042), (929, 88200), (980, 83610), (1050, 78036), (1176, 69675), (1225, 66888), (1260, 65030), (1400, 58527), (1470, 55740), (1575, 52024), (1764, 46450), (1800, 45521), (1858, 44100), (1960, 41805), (2100, 39018), (2205, 37160), (2450, 33444), (2520, 32515), (2787, 29400), (2940, 27870), (3150, 26012), (3528, 23225), (3675, 22296), (3716, 22050), (4200, 19509), (4410, 18580), (4645, 17640), (4900, 16722), (5574, 14700), (5880, 13935), (6300, 13006), (6503, 12600), (7350, 11148), (7432, 11025), (8361, 9800), (8820, 9290)]