313525520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{661}}^1$

素因数の和:710

約数の個数: 180

約数和(自身を含む): 933463692

約数和(自身を除く): 619938172

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 121, 140, 154, 176, 196, 220, 242, 245, 280, 308, 385, 392, 440, 484, 490, 539, 560, 605, 616, 661, 770, 784, 847, 880, 968, 980, 1078, 1210, 1232, 1322, 1540, 1694, 1936, 1960, 2156, 2420, 2644, 2695, 3080, 3305, 3388, 3920, 4235, 4312, 4627, 4840, 5288, 5390, 5929, 6160, 6610, 6776, 7271, 8470, 8624, 9254, 9680, 10576, 10780, 11858, 13220, 13552, 14542, 16940, 18508, 21560, 23135, 23716, 26440, 29084, 29645, 32389, 33880, 36355, 37016, 43120, 46270, 47432, 50897, 52880, 58168, 59290, 64778, 67760, 72710, 74032, 79981, 92540, 94864, 101794, 116336, 118580, 129556, 145420, 159962, 161945, 185080, 203588, 237160, 254485, 259112, 290840, 319924, 323890, 356279, 370160, 399905, 407176, 474320, 508970, 518224, 559867, 581680, 639848, 647780, 712558, 799810, 814352, 1017940, 1119734, 1279696, 1295560, 1425116, 1599620, 1781395, 2035880, 2239468, 2591120, 2799335, 2850232, 3199240, 3562790, 3919069, 4071760, 4478936, 5598670, 5700464, 6398480, 7125580, 7838138, 8957872, 11197340, 14251160, 15676276, 19595345, 22394680, 28502320, 31352552, 39190690, 44789360, 62705104, 78381380, 156762760, 313525520]

約数ペア:

[(1, 313525520), (2, 156762760), (4, 78381380), (5, 62705104), (7, 44789360), (8, 39190690), (10, 31352552), (11, 28502320), (14, 22394680), (16, 19595345), (20, 15676276), (22, 14251160), (28, 11197340), (35, 8957872), (40, 7838138), (44, 7125580), (49, 6398480), (55, 5700464), (56, 5598670), (70, 4478936), (77, 4071760), (80, 3919069), (88, 3562790), (98, 3199240), (110, 2850232), (112, 2799335), (121, 2591120), (140, 2239468), (154, 2035880), (176, 1781395), (196, 1599620), (220, 1425116), (242, 1295560), (245, 1279696), (280, 1119734), (308, 1017940), (385, 814352), (392, 799810), (440, 712558), (484, 647780), (490, 639848), (539, 581680), (560, 559867), (605, 518224), (616, 508970), (661, 474320), (770, 407176), (784, 399905), (847, 370160), (880, 356279), (968, 323890), (980, 319924), (1078, 290840), (1210, 259112), (1232, 254485), (1322, 237160), (1540, 203588), (1694, 185080), (1936, 161945), (1960, 159962), (2156, 145420), (2420, 129556), (2644, 118580), (2695, 116336), (3080, 101794), (3305, 94864), (3388, 92540), (3920, 79981), (4235, 74032), (4312, 72710), (4627, 67760), (4840, 64778), (5288, 59290), (5390, 58168), (5929, 52880), (6160, 50897), (6610, 47432), (6776, 46270), (7271, 43120), (8470, 37016), (8624, 36355), (9254, 33880), (9680, 32389), (10576, 29645), (10780, 29084), (11858, 26440), (13220, 23716), (13552, 23135), (14542, 21560), (16940, 18508)]