72579780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:256

約数の個数: 288

約数和(自身を含む): 284215680

約数和(自身を除く): 211635900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 49, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 108, 117, 126, 130, 135, 140, 147, 156, 180, 182, 189, 195, 196, 210, 211, 234, 245, 252, 260, 270, 273, 294, 315, 351, 364, 378, 390, 420, 422, 441, 455, 468, 490, 540, 546, 585, 588, 630, 633, 637, 702, 735, 756, 780, 819, 844, 882, 910, 945, 980, 1055, 1092, 1170, 1260, 1266, 1274, 1323, 1365, 1404, 1470, 1477, 1638, 1755, 1764, 1820, 1890, 1899, 1911, 2110, 2205, 2340, 2457, 2532, 2548, 2646, 2730, 2743, 2940, 2954, 3165, 3185, 3276, 3510, 3780, 3798, 3822, 4095, 4220, 4410, 4431, 4914, 5292, 5460, 5486, 5697, 5733, 5908, 6330, 6370, 6615, 7020, 7385, 7596, 7644, 8190, 8229, 8820, 8862, 9495, 9555, 9828, 10339, 10972, 11394, 11466, 12285, 12660, 12740, 13230, 13293, 13715, 14770, 16380, 16458, 17199, 17724, 18990, 19110, 19201, 20678, 22155, 22788, 22932, 24570, 24687, 26460, 26586, 27430, 28485, 28665, 29540, 31017, 32916, 34398, 37980, 38220, 38402, 39879, 41145, 41356, 44310, 49140, 49374, 51695, 53172, 54860, 56970, 57330, 57603, 62034, 66465, 68796, 74061, 76804, 79758, 82290, 85995, 88620, 93051, 96005, 98748, 103390, 113940, 114660, 115206, 123435, 124068, 132930, 134407, 148122, 155085, 159516, 164580, 171990, 172809, 186102, 192010, 199395, 206780, 230412, 246870, 265860, 268814, 279153, 288015, 296244, 310170, 343980, 345618, 370305, 372204, 384020, 398790, 403221, 465255, 493740, 518427, 537628, 558306, 576030, 620340, 672035, 691236, 740610, 797580, 806442, 864045, 930510, 1036854, 1116612, 1152060, 1209663, 1344070, 1395765, 1481220, 1612884, 1728090, 1861020, 2016105, 2073708, 2419326, 2592135, 2688140, 2791530, 3456180, 3628989, 4032210, 4838652, 5184270, 5583060, 6048315, 7257978, 8064420, 10368540, 12096630, 14515956, 18144945, 24193260, 36289890, 72579780]

約数ペア:

[(1, 72579780), (2, 36289890), (3, 24193260), (4, 18144945), (5, 14515956), (6, 12096630), (7, 10368540), (9, 8064420), (10, 7257978), (12, 6048315), (13, 5583060), (14, 5184270), (15, 4838652), (18, 4032210), (20, 3628989), (21, 3456180), (26, 2791530), (27, 2688140), (28, 2592135), (30, 2419326), (35, 2073708), (36, 2016105), (39, 1861020), (42, 1728090), (45, 1612884), (49, 1481220), (52, 1395765), (54, 1344070), (60, 1209663), (63, 1152060), (65, 1116612), (70, 1036854), (78, 930510), (84, 864045), (90, 806442), (91, 797580), (98, 740610), (105, 691236), (108, 672035), (117, 620340), (126, 576030), (130, 558306), (135, 537628), (140, 518427), (147, 493740), (156, 465255), (180, 403221), (182, 398790), (189, 384020), (195, 372204), (196, 370305), (210, 345618), (211, 343980), (234, 310170), (245, 296244), (252, 288015), (260, 279153), (270, 268814), (273, 265860), (294, 246870), (315, 230412), (351, 206780), (364, 199395), (378, 192010), (390, 186102), (420, 172809), (422, 171990), (441, 164580), (455, 159516), (468, 155085), (490, 148122), (540, 134407), (546, 132930), (585, 124068), (588, 123435), (630, 115206), (633, 114660), (637, 113940), (702, 103390), (735, 98748), (756, 96005), (780, 93051), (819, 88620), (844, 85995), (882, 82290), (910, 79758), (945, 76804), (980, 74061), (1055, 68796), (1092, 66465), (1170, 62034), (1260, 57603), (1266, 57330), (1274, 56970), (1323, 54860), (1365, 53172), (1404, 51695), (1470, 49374), (1477, 49140), (1638, 44310), (1755, 41356), (1764, 41145), (1820, 39879), (1890, 38402), (1899, 38220), (1911, 37980), (2110, 34398), (2205, 32916), (2340, 31017), (2457, 29540), (2532, 28665), (2548, 28485), (2646, 27430), (2730, 26586), (2743, 26460), (2940, 24687), (2954, 24570), (3165, 22932), (3185, 22788), (3276, 22155), (3510, 20678), (3780, 19201), (3798, 19110), (3822, 18990), (4095, 17724), (4220, 17199), (4410, 16458), (4431, 16380), (4914, 14770), (5292, 13715), (5460, 13293), (5486, 13230), (5697, 12740), (5733, 12660), (5908, 12285), (6330, 11466), (6370, 11394), (6615, 10972), (7020, 10339), (7385, 9828), (7596, 9555), (7644, 9495), (8190, 8862), (8229, 8820)]