1818905160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:308

約数の個数: 256

約数和(自身を含む): 5875752960

約数和(自身を除く): 4056847800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 83, 86, 93, 120, 124, 129, 137, 155, 166, 172, 186, 215, 248, 249, 258, 274, 310, 332, 344, 372, 411, 415, 430, 465, 498, 516, 548, 620, 645, 664, 685, 744, 822, 830, 860, 930, 996, 1032, 1096, 1240, 1245, 1290, 1333, 1370, 1644, 1660, 1720, 1860, 1992, 2055, 2490, 2573, 2580, 2666, 2740, 3288, 3320, 3569, 3720, 3999, 4110, 4247, 4980, 5146, 5160, 5332, 5480, 5891, 6665, 7138, 7719, 7998, 8220, 8494, 9960, 10292, 10664, 10707, 11371, 11782, 12741, 12865, 13330, 14276, 15438, 15996, 16440, 16988, 17673, 17845, 19995, 20584, 21235, 21414, 22742, 23564, 25482, 25730, 26660, 28552, 29455, 30876, 31992, 33976, 34113, 35346, 35690, 38595, 39990, 42470, 42828, 45484, 47128, 50964, 51460, 53320, 53535, 56855, 58910, 61752, 63705, 68226, 70692, 71380, 77190, 79980, 84940, 85656, 88365, 90968, 101928, 102920, 107070, 110639, 113710, 117820, 127410, 136452, 141384, 142760, 154380, 159960, 169880, 170565, 176730, 182621, 214140, 221278, 227420, 235640, 254820, 272904, 308760, 331917, 341130, 352501, 353460, 365242, 428280, 442556, 454840, 488953, 509640, 547863, 553195, 663834, 682260, 705002, 706920, 730484, 885112, 913105, 977906, 1057503, 1095726, 1106390, 1327668, 1364520, 1410004, 1460968, 1466859, 1659585, 1762505, 1826210, 1955812, 2115006, 2191452, 2212780, 2444765, 2655336, 2739315, 2820008, 2933718, 3319170, 3525010, 3652420, 3911624, 4230012, 4382904, 4425560, 4889530, 5287515, 5478630, 5867436, 6638340, 7050020, 7304840, 7334295, 8460024, 9779060, 10575030, 10957260, 11734872, 13276680, 14100040, 14668590, 15157543, 19558120, 21150060, 21914520, 29337180, 30315086, 42300120, 45472629, 58674360, 60630172, 75787715, 90945258, 121260344, 151575430, 181890516, 227363145, 303150860, 363781032, 454726290, 606301720, 909452580, 1818905160]

約数ペア:

[(1, 1818905160), (2, 909452580), (3, 606301720), (4, 454726290), (5, 363781032), (6, 303150860), (8, 227363145), (10, 181890516), (12, 151575430), (15, 121260344), (20, 90945258), (24, 75787715), (30, 60630172), (31, 58674360), (40, 45472629), (43, 42300120), (60, 30315086), (62, 29337180), (83, 21914520), (86, 21150060), (93, 19558120), (120, 15157543), (124, 14668590), (129, 14100040), (137, 13276680), (155, 11734872), (166, 10957260), (172, 10575030), (186, 9779060), (215, 8460024), (248, 7334295), (249, 7304840), (258, 7050020), (274, 6638340), (310, 5867436), (332, 5478630), (344, 5287515), (372, 4889530), (411, 4425560), (415, 4382904), (430, 4230012), (465, 3911624), (498, 3652420), (516, 3525010), (548, 3319170), (620, 2933718), (645, 2820008), (664, 2739315), (685, 2655336), (744, 2444765), (822, 2212780), (830, 2191452), (860, 2115006), (930, 1955812), (996, 1826210), (1032, 1762505), (1096, 1659585), (1240, 1466859), (1245, 1460968), (1290, 1410004), (1333, 1364520), (1370, 1327668), (1644, 1106390), (1660, 1095726), (1720, 1057503), (1860, 977906), (1992, 913105), (2055, 885112), (2490, 730484), (2573, 706920), (2580, 705002), (2666, 682260), (2740, 663834), (3288, 553195), (3320, 547863), (3569, 509640), (3720, 488953), (3999, 454840), (4110, 442556), (4247, 428280), (4980, 365242), (5146, 353460), (5160, 352501), (5332, 341130), (5480, 331917), (5891, 308760), (6665, 272904), (7138, 254820), (7719, 235640), (7998, 227420), (8220, 221278), (8494, 214140), (9960, 182621), (10292, 176730), (10664, 170565), (10707, 169880), (11371, 159960), (11782, 154380), (12741, 142760), (12865, 141384), (13330, 136452), (14276, 127410), (15438, 117820), (15996, 113710), (16440, 110639), (16988, 107070), (17673, 102920), (17845, 101928), (19995, 90968), (20584, 88365), (21235, 85656), (21414, 84940), (22742, 79980), (23564, 77190), (25482, 71380), (25730, 70692), (26660, 68226), (28552, 63705), (29455, 61752), (30876, 58910), (31992, 56855), (33976, 53535), (34113, 53320), (35346, 51460), (35690, 50964), (38595, 47128), (39990, 45484), (42470, 42828)]