1985165280

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{65647}}^1$

素因数の和:65678

約数の個数: 192

約数和(自身を含む): 7940782080

約数和(自身を除く): 5955616800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 65647, 131294, 196941, 262588, 328235, 393882, 459529, 525176, 590823, 656470, 787764, 919058, 984705, 1050352, 1181646, 1312940, 1378587, 1575528, 1772469, 1838116, 1969410, 2100704, 2297645, 2363292, 2625880, 2757174, 2954115, 3151056, 3544938, 3676232, 3938820, 4135761, 4595290, 4726584, 5251760, 5514348, 5908230, 6302112, 6892935, 7089876, 7352464, 7877640, 8271522, 8862345, 9190580, 9453168, 10503520, 11028696, 11816460, 12407283, 13785870, 14179752, 14704928, 15755280, 16543044, 17724690, 18381160, 18906336, 20678805, 22057392, 23632920, 24814566, 27571740, 28359504, 31510560, 33086088, 35449380, 36762320, 41357610, 44114784, 47265840, 49629132, 55143480, 56719008, 62036415, 66172176, 70898760, 73524640, 82715220, 94531680, 99258264, 110286960, 124072830, 132344352, 141797520, 165430440, 198516528, 220573920, 248145660, 283595040, 330860880, 397033056, 496291320, 661721760, 992582640, 1985165280]

約数ペア:

[(1, 1985165280), (2, 992582640), (3, 661721760), (4, 496291320), (5, 397033056), (6, 330860880), (7, 283595040), (8, 248145660), (9, 220573920), (10, 198516528), (12, 165430440), (14, 141797520), (15, 132344352), (16, 124072830), (18, 110286960), (20, 99258264), (21, 94531680), (24, 82715220), (27, 73524640), (28, 70898760), (30, 66172176), (32, 62036415), (35, 56719008), (36, 55143480), (40, 49629132), (42, 47265840), (45, 44114784), (48, 41357610), (54, 36762320), (56, 35449380), (60, 33086088), (63, 31510560), (70, 28359504), (72, 27571740), (80, 24814566), (84, 23632920), (90, 22057392), (96, 20678805), (105, 18906336), (108, 18381160), (112, 17724690), (120, 16543044), (126, 15755280), (135, 14704928), (140, 14179752), (144, 13785870), (160, 12407283), (168, 11816460), (180, 11028696), (189, 10503520), (210, 9453168), (216, 9190580), (224, 8862345), (240, 8271522), (252, 7877640), (270, 7352464), (280, 7089876), (288, 6892935), (315, 6302112), (336, 5908230), (360, 5514348), (378, 5251760), (420, 4726584), (432, 4595290), (480, 4135761), (504, 3938820), (540, 3676232), (560, 3544938), (630, 3151056), (672, 2954115), (720, 2757174), (756, 2625880), (840, 2363292), (864, 2297645), (945, 2100704), (1008, 1969410), (1080, 1838116), (1120, 1772469), (1260, 1575528), (1440, 1378587), (1512, 1312940), (1680, 1181646), (1890, 1050352), (2016, 984705), (2160, 919058), (2520, 787764), (3024, 656470), (3360, 590823), (3780, 525176), (4320, 459529), (5040, 393882), (6048, 328235), (7560, 262588), (10080, 196941), (15120, 131294), (30240, 65647)]