78854700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 241095680

約数和(自身を除く): 162240980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 61, 62, 75, 93, 100, 122, 124, 139, 150, 155, 183, 186, 244, 278, 300, 305, 310, 366, 372, 417, 465, 556, 610, 620, 695, 732, 775, 834, 915, 930, 1220, 1390, 1525, 1550, 1668, 1830, 1860, 1891, 2085, 2325, 2780, 3050, 3100, 3475, 3660, 3782, 4170, 4309, 4575, 4650, 5673, 6100, 6950, 7564, 8340, 8479, 8618, 9150, 9300, 9455, 10425, 11346, 12927, 13900, 16958, 17236, 18300, 18910, 20850, 21545, 22692, 25437, 25854, 28365, 33916, 37820, 41700, 42395, 43090, 47275, 50874, 51708, 56730, 64635, 84790, 86180, 94550, 101748, 107725, 113460, 127185, 129270, 141825, 169580, 189100, 211975, 215450, 254370, 258540, 262849, 283650, 323175, 423950, 430900, 508740, 525698, 567300, 635925, 646350, 788547, 847900, 1051396, 1271850, 1292700, 1314245, 1577094, 2543700, 2628490, 3154188, 3942735, 5256980, 6571225, 7885470, 13142450, 15770940, 19713675, 26284900, 39427350, 78854700]

約数ペア:

[(1, 78854700), (2, 39427350), (3, 26284900), (4, 19713675), (5, 15770940), (6, 13142450), (10, 7885470), (12, 6571225), (15, 5256980), (20, 3942735), (25, 3154188), (30, 2628490), (31, 2543700), (50, 1577094), (60, 1314245), (61, 1292700), (62, 1271850), (75, 1051396), (93, 847900), (100, 788547), (122, 646350), (124, 635925), (139, 567300), (150, 525698), (155, 508740), (183, 430900), (186, 423950), (244, 323175), (278, 283650), (300, 262849), (305, 258540), (310, 254370), (366, 215450), (372, 211975), (417, 189100), (465, 169580), (556, 141825), (610, 129270), (620, 127185), (695, 113460), (732, 107725), (775, 101748), (834, 94550), (915, 86180), (930, 84790), (1220, 64635), (1390, 56730), (1525, 51708), (1550, 50874), (1668, 47275), (1830, 43090), (1860, 42395), (1891, 41700), (2085, 37820), (2325, 33916), (2780, 28365), (3050, 25854), (3100, 25437), (3475, 22692), (3660, 21545), (3782, 20850), (4170, 18910), (4309, 18300), (4575, 17236), (4650, 16958), (5673, 13900), (6100, 12927), (6950, 11346), (7564, 10425), (8340, 9455), (8479, 9300), (8618, 9150)]