68211780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:107

約数の個数: 216

約数和(自身を含む): 244230336

約数和(自身を除く): 176018556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 31, 35, 39, 42, 52, 60, 62, 65, 70, 78, 84, 91, 93, 105, 124, 130, 140, 155, 156, 169, 182, 186, 195, 210, 217, 260, 273, 310, 338, 364, 372, 390, 403, 420, 434, 455, 465, 507, 546, 620, 651, 676, 780, 806, 845, 868, 910, 930, 961, 1014, 1085, 1092, 1183, 1209, 1302, 1365, 1612, 1690, 1820, 1860, 1922, 2015, 2028, 2170, 2366, 2418, 2535, 2604, 2730, 2821, 2883, 3255, 3380, 3549, 3844, 4030, 4340, 4732, 4805, 4836, 5070, 5239, 5460, 5642, 5766, 5915, 6045, 6510, 6727, 7098, 8060, 8463, 9610, 10140, 10478, 11284, 11532, 11830, 12090, 12493, 13020, 13454, 14105, 14196, 14415, 15717, 16926, 17745, 19220, 20181, 20956, 23660, 24180, 24986, 26195, 26908, 28210, 28830, 31434, 33635, 33852, 35490, 36673, 37479, 40362, 42315, 49972, 52390, 56420, 57660, 62465, 62868, 67270, 70980, 73346, 74958, 78585, 80724, 84630, 87451, 100905, 104780, 110019, 124930, 134540, 146692, 149916, 157170, 162409, 169260, 174902, 183365, 187395, 201810, 220038, 249860, 262353, 314340, 324818, 349804, 366730, 374790, 403620, 437255, 440076, 487227, 524706, 550095, 649636, 733460, 749580, 812045, 874510, 974454, 1049412, 1100190, 1136863, 1311765, 1624090, 1749020, 1948908, 2200380, 2273726, 2436135, 2623530, 3248180, 3410589, 4547452, 4872270, 5247060, 5684315, 6821178, 9744540, 11368630, 13642356, 17052945, 22737260, 34105890, 68211780]

約数ペア:

[(1, 68211780), (2, 34105890), (3, 22737260), (4, 17052945), (5, 13642356), (6, 11368630), (7, 9744540), (10, 6821178), (12, 5684315), (13, 5247060), (14, 4872270), (15, 4547452), (20, 3410589), (21, 3248180), (26, 2623530), (28, 2436135), (30, 2273726), (31, 2200380), (35, 1948908), (39, 1749020), (42, 1624090), (52, 1311765), (60, 1136863), (62, 1100190), (65, 1049412), (70, 974454), (78, 874510), (84, 812045), (91, 749580), (93, 733460), (105, 649636), (124, 550095), (130, 524706), (140, 487227), (155, 440076), (156, 437255), (169, 403620), (182, 374790), (186, 366730), (195, 349804), (210, 324818), (217, 314340), (260, 262353), (273, 249860), (310, 220038), (338, 201810), (364, 187395), (372, 183365), (390, 174902), (403, 169260), (420, 162409), (434, 157170), (455, 149916), (465, 146692), (507, 134540), (546, 124930), (620, 110019), (651, 104780), (676, 100905), (780, 87451), (806, 84630), (845, 80724), (868, 78585), (910, 74958), (930, 73346), (961, 70980), (1014, 67270), (1085, 62868), (1092, 62465), (1183, 57660), (1209, 56420), (1302, 52390), (1365, 49972), (1612, 42315), (1690, 40362), (1820, 37479), (1860, 36673), (1922, 35490), (2015, 33852), (2028, 33635), (2170, 31434), (2366, 28830), (2418, 28210), (2535, 26908), (2604, 26195), (2730, 24986), (2821, 24180), (2883, 23660), (3255, 20956), (3380, 20181), (3549, 19220), (3844, 17745), (4030, 16926), (4340, 15717), (4732, 14415), (4805, 14196), (4836, 14105), (5070, 13454), (5239, 13020), (5460, 12493), (5642, 12090), (5766, 11830), (5915, 11532), (6045, 11284), (6510, 10478), (6727, 10140), (7098, 9610), (8060, 8463)]