1984586880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1259}}^1$

素因数の和:2102

約数の個数: 128

約数和(自身を含む): 6338606400

約数和(自身を除く): 4354019520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 821, 960, 1259, 1642, 1920, 2463, 2518, 3284, 3777, 4105, 4926, 5036, 6295, 6568, 7554, 8210, 9852, 10072, 12315, 12590, 13136, 15108, 16420, 18885, 19704, 20144, 24630, 25180, 26272, 30216, 32840, 37770, 39408, 40288, 49260, 50360, 52544, 60432, 65680, 75540, 78816, 80576, 98520, 100720, 105088, 120864, 131360, 151080, 157632, 161152, 197040, 201440, 241728, 262720, 302160, 315264, 394080, 402880, 483456, 525440, 604320, 788160, 805760, 1033639, 1208640, 1576320, 2067278, 2417280, 3100917, 4134556, 5168195, 6201834, 8269112, 10336390, 12403668, 15504585, 16538224, 20672780, 24807336, 31009170, 33076448, 41345560, 49614672, 62018340, 66152896, 82691120, 99229344, 124036680, 132305792, 165382240, 198458688, 248073360, 330764480, 396917376, 496146720, 661528960, 992293440, 1984586880]

約数ペア:

[(1, 1984586880), (2, 992293440), (3, 661528960), (4, 496146720), (5, 396917376), (6, 330764480), (8, 248073360), (10, 198458688), (12, 165382240), (15, 132305792), (16, 124036680), (20, 99229344), (24, 82691120), (30, 66152896), (32, 62018340), (40, 49614672), (48, 41345560), (60, 33076448), (64, 31009170), (80, 24807336), (96, 20672780), (120, 16538224), (128, 15504585), (160, 12403668), (192, 10336390), (240, 8269112), (320, 6201834), (384, 5168195), (480, 4134556), (640, 3100917), (821, 2417280), (960, 2067278), (1259, 1576320), (1642, 1208640), (1920, 1033639), (2463, 805760), (2518, 788160), (3284, 604320), (3777, 525440), (4105, 483456), (4926, 402880), (5036, 394080), (6295, 315264), (6568, 302160), (7554, 262720), (8210, 241728), (9852, 201440), (10072, 197040), (12315, 161152), (12590, 157632), (13136, 151080), (15108, 131360), (16420, 120864), (18885, 105088), (19704, 100720), (20144, 98520), (24630, 80576), (25180, 78816), (26272, 75540), (30216, 65680), (32840, 60432), (37770, 52544), (39408, 50360), (40288, 49260)]