266999280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2111}}^1$

素因数の和:2175

約数の個数: 160

約数和(自身を含む): 905084928

約数和(自身を除く): 638085648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 496, 510, 527, 620, 680, 744, 816, 930, 1020, 1054, 1240, 1360, 1488, 1581, 1860, 2040, 2108, 2111, 2480, 2635, 3162, 3720, 4080, 4216, 4222, 5270, 6324, 6333, 7440, 7905, 8432, 8444, 10540, 10555, 12648, 12666, 15810, 16888, 21080, 21110, 25296, 25332, 31620, 31665, 33776, 35887, 42160, 42220, 50664, 63240, 63330, 65441, 71774, 84440, 101328, 107661, 126480, 126660, 130882, 143548, 168880, 179435, 196323, 215322, 253320, 261764, 287096, 327205, 358870, 392646, 430644, 506640, 523528, 538305, 574192, 654410, 717740, 785292, 861288, 981615, 1047056, 1076610, 1112497, 1308820, 1435480, 1570584, 1722576, 1963230, 2153220, 2224994, 2617640, 2870960, 3141168, 3337491, 3926460, 4306440, 4449988, 5235280, 5562485, 6674982, 7852920, 8612880, 8899976, 11124970, 13349964, 15705840, 16687455, 17799952, 22249940, 26699928, 33374910, 44499880, 53399856, 66749820, 88999760, 133499640, 266999280]

約数ペア:

[(1, 266999280), (2, 133499640), (3, 88999760), (4, 66749820), (5, 53399856), (6, 44499880), (8, 33374910), (10, 26699928), (12, 22249940), (15, 17799952), (16, 16687455), (17, 15705840), (20, 13349964), (24, 11124970), (30, 8899976), (31, 8612880), (34, 7852920), (40, 6674982), (48, 5562485), (51, 5235280), (60, 4449988), (62, 4306440), (68, 3926460), (80, 3337491), (85, 3141168), (93, 2870960), (102, 2617640), (120, 2224994), (124, 2153220), (136, 1963230), (155, 1722576), (170, 1570584), (186, 1435480), (204, 1308820), (240, 1112497), (248, 1076610), (255, 1047056), (272, 981615), (310, 861288), (340, 785292), (372, 717740), (408, 654410), (465, 574192), (496, 538305), (510, 523528), (527, 506640), (620, 430644), (680, 392646), (744, 358870), (816, 327205), (930, 287096), (1020, 261764), (1054, 253320), (1240, 215322), (1360, 196323), (1488, 179435), (1581, 168880), (1860, 143548), (2040, 130882), (2108, 126660), (2111, 126480), (2480, 107661), (2635, 101328), (3162, 84440), (3720, 71774), (4080, 65441), (4216, 63330), (4222, 63240), (5270, 50664), (6324, 42220), (6333, 42160), (7440, 35887), (7905, 33776), (8432, 31665), (8444, 31620), (10540, 25332), (10555, 25296), (12648, 21110), (12666, 21080), (15810, 16888)]