39785760

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{3947}}^1$

素因数の和:3975

約数の個数: 144

約数和(自身を含む): 155203776

約数和(自身を除く): 115418016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 3947, 5040, 7894, 10080, 11841, 15788, 19735, 23682, 27629, 31576, 35523, 39470, 47364, 55258, 59205, 63152, 71046, 78940, 82887, 94728, 110516, 118410, 126304, 138145, 142092, 157880, 165774, 177615, 189456, 221032, 236820, 248661, 276290, 284184, 315760, 331548, 355230, 378912, 414435, 442064, 473640, 497322, 552580, 568368, 631520, 663096, 710460, 828870, 884128, 947280, 994644, 1105160, 1136736, 1243305, 1326192, 1420920, 1657740, 1894560, 1989288, 2210320, 2486610, 2652384, 2841840, 3315480, 3978576, 4420640, 4973220, 5683680, 6630960, 7957152, 9946440, 13261920, 19892880, 39785760]

約数ペア:

[(1, 39785760), (2, 19892880), (3, 13261920), (4, 9946440), (5, 7957152), (6, 6630960), (7, 5683680), (8, 4973220), (9, 4420640), (10, 3978576), (12, 3315480), (14, 2841840), (15, 2652384), (16, 2486610), (18, 2210320), (20, 1989288), (21, 1894560), (24, 1657740), (28, 1420920), (30, 1326192), (32, 1243305), (35, 1136736), (36, 1105160), (40, 994644), (42, 947280), (45, 884128), (48, 828870), (56, 710460), (60, 663096), (63, 631520), (70, 568368), (72, 552580), (80, 497322), (84, 473640), (90, 442064), (96, 414435), (105, 378912), (112, 355230), (120, 331548), (126, 315760), (140, 284184), (144, 276290), (160, 248661), (168, 236820), (180, 221032), (210, 189456), (224, 177615), (240, 165774), (252, 157880), (280, 142092), (288, 138145), (315, 126304), (336, 118410), (360, 110516), (420, 94728), (480, 82887), (504, 78940), (560, 71046), (630, 63152), (672, 59205), (720, 55258), (840, 47364), (1008, 39470), (1120, 35523), (1260, 31576), (1440, 27629), (1680, 23682), (2016, 19735), (2520, 15788), (3360, 11841), (3947, 10080), (5040, 7894)]