678783280

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{853}}^1$

素因数の和:916

約数の個数: 160

約数和(自身を含む): 1906128000

約数和(自身を除く): 1227344720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 280, 290, 343, 392, 406, 464, 490, 560, 580, 686, 784, 812, 853, 980, 1015, 1160, 1372, 1421, 1624, 1706, 1715, 1960, 2030, 2320, 2744, 2842, 3248, 3412, 3430, 3920, 4060, 4265, 5488, 5684, 5971, 6824, 6860, 7105, 8120, 8530, 9947, 11368, 11942, 13648, 13720, 14210, 16240, 17060, 19894, 22736, 23884, 24737, 27440, 28420, 29855, 34120, 39788, 41797, 47768, 49474, 49735, 56840, 59710, 68240, 79576, 83594, 95536, 98948, 99470, 113680, 119420, 123685, 159152, 167188, 173159, 197896, 198940, 208985, 238840, 247370, 292579, 334376, 346318, 395792, 397880, 417970, 477680, 494740, 585158, 668752, 692636, 795760, 835940, 865795, 989480, 1170316, 1212113, 1385272, 1462895, 1671880, 1731590, 1978960, 2340632, 2424226, 2770544, 2925790, 3343760, 3463180, 4681264, 4848452, 5851580, 6060565, 6926360, 8484791, 9696904, 11703160, 12121130, 13852720, 16969582, 19393808, 23406320, 24242260, 33939164, 42423955, 48484520, 67878328, 84847910, 96969040, 135756656, 169695820, 339391640, 678783280]

約数ペア:

[(1, 678783280), (2, 339391640), (4, 169695820), (5, 135756656), (7, 96969040), (8, 84847910), (10, 67878328), (14, 48484520), (16, 42423955), (20, 33939164), (28, 24242260), (29, 23406320), (35, 19393808), (40, 16969582), (49, 13852720), (56, 12121130), (58, 11703160), (70, 9696904), (80, 8484791), (98, 6926360), (112, 6060565), (116, 5851580), (140, 4848452), (145, 4681264), (196, 3463180), (203, 3343760), (232, 2925790), (245, 2770544), (280, 2424226), (290, 2340632), (343, 1978960), (392, 1731590), (406, 1671880), (464, 1462895), (490, 1385272), (560, 1212113), (580, 1170316), (686, 989480), (784, 865795), (812, 835940), (853, 795760), (980, 692636), (1015, 668752), (1160, 585158), (1372, 494740), (1421, 477680), (1624, 417970), (1706, 397880), (1715, 395792), (1960, 346318), (2030, 334376), (2320, 292579), (2744, 247370), (2842, 238840), (3248, 208985), (3412, 198940), (3430, 197896), (3920, 173159), (4060, 167188), (4265, 159152), (5488, 123685), (5684, 119420), (5971, 113680), (6824, 99470), (6860, 98948), (7105, 95536), (8120, 83594), (8530, 79576), (9947, 68240), (11368, 59710), (11942, 56840), (13648, 49735), (13720, 49474), (14210, 47768), (16240, 41797), (17060, 39788), (19894, 34120), (22736, 29855), (23884, 28420), (24737, 27440)]