856887720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:532

約数の個数: 256

約数和(自身を含む): 2975616000

約数和(自身を除く): 2118728280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 79, 85, 102, 104, 120, 130, 136, 156, 158, 170, 195, 204, 221, 237, 255, 260, 312, 316, 340, 390, 395, 408, 409, 442, 474, 510, 520, 632, 663, 680, 780, 790, 818, 884, 948, 1020, 1027, 1105, 1185, 1227, 1326, 1343, 1560, 1580, 1636, 1768, 1896, 2040, 2045, 2054, 2210, 2370, 2454, 2652, 2686, 3081, 3160, 3272, 3315, 4029, 4090, 4108, 4420, 4740, 4908, 5135, 5304, 5317, 5372, 6135, 6162, 6630, 6715, 6953, 8058, 8180, 8216, 8840, 9480, 9816, 10270, 10634, 10744, 12270, 12324, 13260, 13430, 13906, 15405, 15951, 16116, 16360, 17459, 20145, 20540, 20859, 21268, 24540, 24648, 26520, 26585, 26860, 27812, 30810, 31902, 32232, 32311, 34765, 34918, 40290, 41080, 41718, 42536, 49080, 52377, 53170, 53720, 55624, 61620, 63804, 64622, 69530, 69836, 79755, 80580, 83436, 87295, 90389, 96933, 104295, 104754, 106340, 123240, 127608, 129244, 139060, 139672, 159510, 161160, 161555, 166872, 174590, 180778, 193866, 208590, 209508, 212680, 258488, 261885, 271167, 278120, 319020, 323110, 349180, 361556, 387732, 417180, 419016, 420043, 451945, 484665, 523770, 542334, 549287, 638040, 646220, 698360, 723112, 775464, 834360, 840086, 903890, 969330, 1047540, 1084668, 1098574, 1260129, 1292440, 1355835, 1647861, 1680172, 1807780, 1938660, 2095080, 2100215, 2169336, 2197148, 2520258, 2711670, 2746435, 3295722, 3360344, 3615560, 3877320, 4200430, 4394296, 5040516, 5423340, 5492870, 6300645, 6591444, 7140731, 8239305, 8400860, 10081032, 10846680, 10985740, 12601290, 13182888, 14281462, 16478610, 16801720, 21422193, 21971480, 25202580, 28562924, 32957220, 35703655, 42844386, 50405160, 57125848, 65914440, 71407310, 85688772, 107110965, 142814620, 171377544, 214221930, 285629240, 428443860, 856887720]

約数ペア:

[(1, 856887720), (2, 428443860), (3, 285629240), (4, 214221930), (5, 171377544), (6, 142814620), (8, 107110965), (10, 85688772), (12, 71407310), (13, 65914440), (15, 57125848), (17, 50405160), (20, 42844386), (24, 35703655), (26, 32957220), (30, 28562924), (34, 25202580), (39, 21971480), (40, 21422193), (51, 16801720), (52, 16478610), (60, 14281462), (65, 13182888), (68, 12601290), (78, 10985740), (79, 10846680), (85, 10081032), (102, 8400860), (104, 8239305), (120, 7140731), (130, 6591444), (136, 6300645), (156, 5492870), (158, 5423340), (170, 5040516), (195, 4394296), (204, 4200430), (221, 3877320), (237, 3615560), (255, 3360344), (260, 3295722), (312, 2746435), (316, 2711670), (340, 2520258), (390, 2197148), (395, 2169336), (408, 2100215), (409, 2095080), (442, 1938660), (474, 1807780), (510, 1680172), (520, 1647861), (632, 1355835), (663, 1292440), (680, 1260129), (780, 1098574), (790, 1084668), (818, 1047540), (884, 969330), (948, 903890), (1020, 840086), (1027, 834360), (1105, 775464), (1185, 723112), (1227, 698360), (1326, 646220), (1343, 638040), (1560, 549287), (1580, 542334), (1636, 523770), (1768, 484665), (1896, 451945), (2040, 420043), (2045, 419016), (2054, 417180), (2210, 387732), (2370, 361556), (2454, 349180), (2652, 323110), (2686, 319020), (3081, 278120), (3160, 271167), (3272, 261885), (3315, 258488), (4029, 212680), (4090, 209508), (4108, 208590), (4420, 193866), (4740, 180778), (4908, 174590), (5135, 166872), (5304, 161555), (5317, 161160), (5372, 159510), (6135, 139672), (6162, 139060), (6630, 129244), (6715, 127608), (6953, 123240), (8058, 106340), (8180, 104754), (8216, 104295), (8840, 96933), (9480, 90389), (9816, 87295), (10270, 83436), (10634, 80580), (10744, 79755), (12270, 69836), (12324, 69530), (13260, 64622), (13430, 63804), (13906, 61620), (15405, 55624), (15951, 53720), (16116, 53170), (16360, 52377), (17459, 49080), (20145, 42536), (20540, 41718), (20859, 41080), (21268, 40290), (24540, 34918), (24648, 34765), (26520, 32311), (26585, 32232), (26860, 31902), (27812, 30810)]