56147940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:402

約数の個数: 144

約数和(自身を含む): 183980160

約数和(自身を除く): 127832220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 59, 60, 68, 85, 90, 102, 118, 153, 170, 177, 180, 204, 236, 255, 295, 306, 311, 340, 354, 510, 531, 590, 612, 622, 708, 765, 885, 933, 1003, 1020, 1062, 1180, 1244, 1530, 1555, 1770, 1866, 2006, 2124, 2655, 2799, 3009, 3060, 3110, 3540, 3732, 4012, 4665, 5015, 5287, 5310, 5598, 6018, 6220, 9027, 9330, 10030, 10574, 10620, 11196, 12036, 13995, 15045, 15861, 18054, 18349, 18660, 20060, 21148, 26435, 27990, 30090, 31722, 36108, 36698, 45135, 47583, 52870, 55047, 55980, 60180, 63444, 73396, 79305, 90270, 91745, 95166, 105740, 110094, 158610, 165141, 180540, 183490, 190332, 220188, 237915, 275235, 311933, 317220, 330282, 366980, 475830, 550470, 623866, 660564, 825705, 935799, 951660, 1100940, 1247732, 1559665, 1651410, 1871598, 2807397, 3119330, 3302820, 3743196, 4678995, 5614794, 6238660, 9357990, 11229588, 14036985, 18715980, 28073970, 56147940]

約数ペア:

[(1, 56147940), (2, 28073970), (3, 18715980), (4, 14036985), (5, 11229588), (6, 9357990), (9, 6238660), (10, 5614794), (12, 4678995), (15, 3743196), (17, 3302820), (18, 3119330), (20, 2807397), (30, 1871598), (34, 1651410), (36, 1559665), (45, 1247732), (51, 1100940), (59, 951660), (60, 935799), (68, 825705), (85, 660564), (90, 623866), (102, 550470), (118, 475830), (153, 366980), (170, 330282), (177, 317220), (180, 311933), (204, 275235), (236, 237915), (255, 220188), (295, 190332), (306, 183490), (311, 180540), (340, 165141), (354, 158610), (510, 110094), (531, 105740), (590, 95166), (612, 91745), (622, 90270), (708, 79305), (765, 73396), (885, 63444), (933, 60180), (1003, 55980), (1020, 55047), (1062, 52870), (1180, 47583), (1244, 45135), (1530, 36698), (1555, 36108), (1770, 31722), (1866, 30090), (2006, 27990), (2124, 26435), (2655, 21148), (2799, 20060), (3009, 18660), (3060, 18349), (3110, 18054), (3540, 15861), (3732, 15045), (4012, 13995), (4665, 12036), (5015, 11196), (5287, 10620), (5310, 10574), (5598, 10030), (6018, 9330), (6220, 9027)]