28936440

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:268

約数の個数: 192

約数和(自身を含む): 105487200

約数和(自身を除く): 76550760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 229, 234, 243, 260, 270, 312, 324, 351, 360, 390, 405, 458, 468, 486, 520, 540, 585, 648, 687, 702, 780, 810, 916, 936, 972, 1053, 1080, 1145, 1170, 1215, 1374, 1404, 1560, 1620, 1755, 1832, 1944, 2061, 2106, 2290, 2340, 2430, 2748, 2808, 2977, 3159, 3240, 3435, 3510, 4122, 4212, 4580, 4680, 4860, 5265, 5496, 5954, 6183, 6318, 6870, 7020, 8244, 8424, 8931, 9160, 9720, 10305, 10530, 11908, 12366, 12636, 13740, 14040, 14885, 15795, 16488, 17862, 18549, 20610, 21060, 23816, 24732, 25272, 26793, 27480, 29770, 30915, 31590, 35724, 37098, 41220, 42120, 44655, 49464, 53586, 55647, 59540, 61830, 63180, 71448, 74196, 80379, 82440, 89310, 92745, 107172, 111294, 119080, 123660, 126360, 133965, 148392, 160758, 178620, 185490, 214344, 222588, 241137, 247320, 267930, 278235, 321516, 357240, 370980, 401895, 445176, 482274, 535860, 556470, 643032, 723411, 741960, 803790, 964548, 1071720, 1112940, 1205685, 1446822, 1607580, 1929096, 2225880, 2411370, 2893644, 3215160, 3617055, 4822740, 5787288, 7234110, 9645480, 14468220, 28936440]

約数ペア:

[(1, 28936440), (2, 14468220), (3, 9645480), (4, 7234110), (5, 5787288), (6, 4822740), (8, 3617055), (9, 3215160), (10, 2893644), (12, 2411370), (13, 2225880), (15, 1929096), (18, 1607580), (20, 1446822), (24, 1205685), (26, 1112940), (27, 1071720), (30, 964548), (36, 803790), (39, 741960), (40, 723411), (45, 643032), (52, 556470), (54, 535860), (60, 482274), (65, 445176), (72, 401895), (78, 370980), (81, 357240), (90, 321516), (104, 278235), (108, 267930), (117, 247320), (120, 241137), (130, 222588), (135, 214344), (156, 185490), (162, 178620), (180, 160758), (195, 148392), (216, 133965), (229, 126360), (234, 123660), (243, 119080), (260, 111294), (270, 107172), (312, 92745), (324, 89310), (351, 82440), (360, 80379), (390, 74196), (405, 71448), (458, 63180), (468, 61830), (486, 59540), (520, 55647), (540, 53586), (585, 49464), (648, 44655), (687, 42120), (702, 41220), (780, 37098), (810, 35724), (916, 31590), (936, 30915), (972, 29770), (1053, 27480), (1080, 26793), (1145, 25272), (1170, 24732), (1215, 23816), (1374, 21060), (1404, 20610), (1560, 18549), (1620, 17862), (1755, 16488), (1832, 15795), (1944, 14885), (2061, 14040), (2106, 13740), (2290, 12636), (2340, 12366), (2430, 11908), (2748, 10530), (2808, 10305), (2977, 9720), (3159, 9160), (3240, 8931), (3435, 8424), (3510, 8244), (4122, 7020), (4212, 6870), (4580, 6318), (4680, 6183), (4860, 5954), (5265, 5496)]