215170020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:652

約数の個数: 240

約数和(自身を含む): 770959728

約数和(自身を除く): 555789708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 81, 85, 90, 102, 108, 117, 130, 135, 153, 156, 162, 170, 180, 195, 204, 221, 234, 255, 260, 270, 306, 324, 340, 351, 390, 405, 442, 459, 468, 510, 540, 585, 601, 612, 663, 702, 765, 780, 810, 884, 918, 1020, 1053, 1105, 1170, 1202, 1326, 1377, 1404, 1530, 1620, 1755, 1803, 1836, 1989, 2106, 2210, 2295, 2340, 2404, 2652, 2754, 3005, 3060, 3315, 3510, 3606, 3978, 4212, 4420, 4590, 5265, 5409, 5508, 5967, 6010, 6630, 6885, 7020, 7212, 7813, 7956, 9015, 9180, 9945, 10217, 10530, 10818, 11934, 12020, 13260, 13770, 15626, 16227, 17901, 18030, 19890, 20434, 21060, 21636, 23439, 23868, 27045, 27540, 29835, 30651, 31252, 32454, 35802, 36060, 39065, 39780, 40868, 46878, 48681, 51085, 54090, 59670, 61302, 64908, 70317, 71604, 78130, 81135, 89505, 91953, 93756, 97362, 102170, 108180, 117195, 119340, 122604, 132821, 140634, 153255, 156260, 162270, 179010, 183906, 194724, 204340, 210951, 234390, 243405, 265642, 275859, 281268, 306510, 324540, 351585, 358020, 367812, 398463, 421902, 459765, 468780, 486810, 531284, 551718, 613020, 632853, 664105, 703170, 796926, 827577, 843804, 919530, 973620, 1054755, 1103436, 1195389, 1265706, 1328210, 1379295, 1406340, 1593852, 1655154, 1839060, 1992315, 2109510, 2390778, 2531412, 2656420, 2758590, 3164265, 3310308, 3586167, 3984630, 4137885, 4219020, 4781556, 5517180, 5976945, 6328530, 7172334, 7969260, 8275770, 10758501, 11953890, 12657060, 14344668, 16551540, 17930835, 21517002, 23907780, 35861670, 43034004, 53792505, 71723340, 107585010, 215170020]

約数ペア:

[(1, 215170020), (2, 107585010), (3, 71723340), (4, 53792505), (5, 43034004), (6, 35861670), (9, 23907780), (10, 21517002), (12, 17930835), (13, 16551540), (15, 14344668), (17, 12657060), (18, 11953890), (20, 10758501), (26, 8275770), (27, 7969260), (30, 7172334), (34, 6328530), (36, 5976945), (39, 5517180), (45, 4781556), (51, 4219020), (52, 4137885), (54, 3984630), (60, 3586167), (65, 3310308), (68, 3164265), (78, 2758590), (81, 2656420), (85, 2531412), (90, 2390778), (102, 2109510), (108, 1992315), (117, 1839060), (130, 1655154), (135, 1593852), (153, 1406340), (156, 1379295), (162, 1328210), (170, 1265706), (180, 1195389), (195, 1103436), (204, 1054755), (221, 973620), (234, 919530), (255, 843804), (260, 827577), (270, 796926), (306, 703170), (324, 664105), (340, 632853), (351, 613020), (390, 551718), (405, 531284), (442, 486810), (459, 468780), (468, 459765), (510, 421902), (540, 398463), (585, 367812), (601, 358020), (612, 351585), (663, 324540), (702, 306510), (765, 281268), (780, 275859), (810, 265642), (884, 243405), (918, 234390), (1020, 210951), (1053, 204340), (1105, 194724), (1170, 183906), (1202, 179010), (1326, 162270), (1377, 156260), (1404, 153255), (1530, 140634), (1620, 132821), (1755, 122604), (1803, 119340), (1836, 117195), (1989, 108180), (2106, 102170), (2210, 97362), (2295, 93756), (2340, 91953), (2404, 89505), (2652, 81135), (2754, 78130), (3005, 71604), (3060, 70317), (3315, 64908), (3510, 61302), (3606, 59670), (3978, 54090), (4212, 51085), (4420, 48681), (4590, 46878), (5265, 40868), (5409, 39780), (5508, 39065), (5967, 36060), (6010, 35802), (6630, 32454), (6885, 31252), (7020, 30651), (7212, 29835), (7813, 27540), (7956, 27045), (9015, 23868), (9180, 23439), (9945, 21636), (10217, 21060), (10530, 20434), (10818, 19890), (11934, 18030), (12020, 17901), (13260, 16227), (13770, 15626)]