551591280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:760

約数の個数: 240

約数和(自身を含む): 1984887840

約数和(自身を除く): 1433296560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 61, 72, 76, 80, 90, 95, 114, 120, 122, 144, 152, 171, 180, 183, 190, 228, 240, 244, 285, 304, 305, 342, 360, 366, 380, 456, 488, 549, 570, 610, 661, 684, 720, 732, 760, 855, 912, 915, 976, 1098, 1140, 1159, 1220, 1322, 1368, 1464, 1520, 1710, 1830, 1983, 2196, 2280, 2318, 2440, 2644, 2736, 2745, 2928, 3305, 3420, 3477, 3660, 3966, 4392, 4560, 4636, 4880, 5288, 5490, 5795, 5949, 6610, 6840, 6954, 7320, 7932, 8784, 9272, 9915, 10431, 10576, 10980, 11590, 11898, 12559, 13220, 13680, 13908, 14640, 15864, 17385, 18544, 19830, 20862, 21960, 23180, 23796, 25118, 26440, 27816, 29745, 31728, 34770, 37677, 39660, 40321, 41724, 43920, 46360, 47592, 50236, 52155, 52880, 55632, 59490, 62795, 69540, 75354, 79320, 80642, 83448, 92720, 95184, 100472, 104310, 113031, 118980, 120963, 125590, 139080, 150708, 158640, 161284, 166896, 188385, 200944, 201605, 208620, 226062, 237960, 241926, 251180, 278160, 301416, 322568, 362889, 376770, 403210, 417240, 452124, 475920, 483852, 502360, 565155, 602832, 604815, 645136, 725778, 753540, 766099, 806420, 834480, 904248, 967704, 1004720, 1130310, 1209630, 1451556, 1507080, 1532198, 1612840, 1808496, 1814445, 1935408, 2260620, 2298297, 2419260, 2903112, 3014160, 3064396, 3225680, 3628890, 3830495, 4521240, 4596594, 4838520, 5806224, 6128792, 6894891, 7257780, 7660990, 9042480, 9193188, 9677040, 11491485, 12257584, 13789782, 14515560, 15321980, 18386376, 22982970, 27579564, 29031120, 30643960, 34474455, 36772752, 45965940, 55159128, 61287920, 68948910, 91931880, 110318256, 137897820, 183863760, 275795640, 551591280]

約数ペア:

[(1, 551591280), (2, 275795640), (3, 183863760), (4, 137897820), (5, 110318256), (6, 91931880), (8, 68948910), (9, 61287920), (10, 55159128), (12, 45965940), (15, 36772752), (16, 34474455), (18, 30643960), (19, 29031120), (20, 27579564), (24, 22982970), (30, 18386376), (36, 15321980), (38, 14515560), (40, 13789782), (45, 12257584), (48, 11491485), (57, 9677040), (60, 9193188), (61, 9042480), (72, 7660990), (76, 7257780), (80, 6894891), (90, 6128792), (95, 5806224), (114, 4838520), (120, 4596594), (122, 4521240), (144, 3830495), (152, 3628890), (171, 3225680), (180, 3064396), (183, 3014160), (190, 2903112), (228, 2419260), (240, 2298297), (244, 2260620), (285, 1935408), (304, 1814445), (305, 1808496), (342, 1612840), (360, 1532198), (366, 1507080), (380, 1451556), (456, 1209630), (488, 1130310), (549, 1004720), (570, 967704), (610, 904248), (661, 834480), (684, 806420), (720, 766099), (732, 753540), (760, 725778), (855, 645136), (912, 604815), (915, 602832), (976, 565155), (1098, 502360), (1140, 483852), (1159, 475920), (1220, 452124), (1322, 417240), (1368, 403210), (1464, 376770), (1520, 362889), (1710, 322568), (1830, 301416), (1983, 278160), (2196, 251180), (2280, 241926), (2318, 237960), (2440, 226062), (2644, 208620), (2736, 201605), (2745, 200944), (2928, 188385), (3305, 166896), (3420, 161284), (3477, 158640), (3660, 150708), (3966, 139080), (4392, 125590), (4560, 120963), (4636, 118980), (4880, 113031), (5288, 104310), (5490, 100472), (5795, 95184), (5949, 92720), (6610, 83448), (6840, 80642), (6954, 79320), (7320, 75354), (7932, 69540), (8784, 62795), (9272, 59490), (9915, 55632), (10431, 52880), (10576, 52155), (10980, 50236), (11590, 47592), (11898, 46360), (12559, 43920), (13220, 41724), (13680, 40321), (13908, 39660), (14640, 37677), (15864, 34770), (17385, 31728), (18544, 29745), (19830, 27816), (20862, 26440), (21960, 25118), (23180, 23796)]